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EP4123037A4 - SEAMLESS STAINLESS STEEL TUBE AND MANUFACTURING PROCESS THEREOF - Google Patents

SEAMLESS STAINLESS STEEL TUBE AND MANUFACTURING PROCESS THEREOF Download PDF

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Publication number
EP4123037A4
EP4123037A4 EP21838618.3A EP21838618A EP4123037A4 EP 4123037 A4 EP4123037 A4 EP 4123037A4 EP 21838618 A EP21838618 A EP 21838618A EP 4123037 A4 EP4123037 A4 EP 4123037A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
manufacturing process
steel tube
seamless stainless
seamless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21838618.3A
Other languages
German (de)
French (fr)
Other versions
EP4123037A1 (en
Inventor
Yuichi Kamo
Masao YUGA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4123037A1 publication Critical patent/EP4123037A1/en
Publication of EP4123037A4 publication Critical patent/EP4123037A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP21838618.3A 2020-07-06 2021-06-10 SEAMLESS STAINLESS STEEL TUBE AND MANUFACTURING PROCESS THEREOF Pending EP4123037A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020116091 2020-07-06
PCT/JP2021/022014 WO2022009598A1 (en) 2020-07-06 2021-06-10 Seamless stainless steel pipe and production method therefor

Publications (2)

Publication Number Publication Date
EP4123037A1 EP4123037A1 (en) 2023-01-25
EP4123037A4 true EP4123037A4 (en) 2024-10-02

Family

ID=79552469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21838618.3A Pending EP4123037A4 (en) 2020-07-06 2021-06-10 SEAMLESS STAINLESS STEEL TUBE AND MANUFACTURING PROCESS THEREOF

Country Status (8)

Country Link
US (1) US20230340632A1 (en)
EP (1) EP4123037A4 (en)
JP (1) JP7226571B2 (en)
CN (1) CN115917028A (en)
AR (1) AR122877A1 (en)
BR (1) BR112022025826A2 (en)
MX (1) MX2022016143A (en)
WO (1) WO2022009598A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4636112A1 (en) * 2023-04-06 2025-10-22 JFE Steel Corporation Seamless stainless steel pipe and production method therefor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2565287A1 (en) * 2010-04-28 2013-03-06 Nippon Steel & Sumitomo Metal Corporation High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well
EP2832881A1 (en) * 2012-03-26 2015-02-04 Nippon Steel & Sumitomo Metal Corporation Stainless steel for oil wells and stainless steel pipe for oil wells
US20170335422A1 (en) * 2014-11-27 2017-11-23 Jfe Steel Corporation Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipe
WO2019035329A1 (en) * 2017-08-15 2019-02-21 Ｊｆｅスチール株式会社 High strength stainless seamless steel pipe for oil wells, and method for producing same
EP3456852A1 (en) * 2016-07-27 2019-03-20 JFE Steel Corporation High strength seamless stainless steel pipe for oil wells and production method therefor
JP2019163499A (en) * 2018-03-19 2019-09-26 日本製鉄株式会社 Steel
EP3561131A1 (en) * 2017-02-24 2019-10-30 JFE Steel Corporation High strength seamless stainless steel pipe for oil well and production method therefor

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JP4363327B2 (en) * 2002-06-19 2009-11-11 Ｊｆｅスチール株式会社 Stainless steel pipe for oil well and manufacturing method thereof
JP5109222B2 (en) * 2003-08-19 2012-12-26 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well with excellent corrosion resistance and method for producing the same
US7862666B2 (en) * 2003-10-31 2011-01-04 Jfe Steel Corporation Highly anticorrosive high strength stainless steel pipe for linepipe and method for manufacturing same
JP4915121B2 (en) * 2006-03-31 2012-04-11 住友金属工業株式会社 Manufacturing method of duplex stainless steel seamless pipe
ES2674255T3 (en) * 2008-03-28 2018-06-28 Nippon Steel & Sumitomo Metal Corporation Stainless steel for use in oil well tube
AR073884A1 (en) * 2008-10-30 2010-12-09 Sumitomo Metal Ind STAINLESS STEEL TUBE OF HIGH RESISTANCE EXCELLENT IN RESISTANCE TO FISURATION UNDER VOLTAGE SULFURS AND CORROSION OF GAS OF CARBONIC ACID IN HIGH TEMPERATURE.
AR076669A1 (en) * 2009-05-18 2011-06-29 Sumitomo Metal Ind STAINLESS STEEL FOR PETROLEUM WELLS, STAINLESS STEEL TUBE FOR PETROLEUM WELLS, AND STAINLESS STEEL MANUFACTURING METHOD FOR PETROLEUM WELLS
WO2011132765A1 (en) * 2010-04-19 2011-10-27 Ｊｆｅスチール株式会社 Cr-CONTAINING STEEL PIPE FOR LINE PIPE AND HAVING EXCELLENT INTERGRANULAR STRESS CORROSION CRACKING RESISTANCE AT WELDING-HEAT-AFFECTED PORTION
JP5488643B2 (en) * 2012-05-31 2014-05-14 Ｊｆｅスチール株式会社 High strength stainless steel seamless pipe for oil country tubular goods and method for producing the same
JP5967066B2 (en) * 2012-12-21 2016-08-10 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well with excellent corrosion resistance and method for producing the same
EP2947167B1 (en) * 2013-01-16 2016-12-07 JFE Steel Corporation Stainless steel seamless tube for use in oil well and manufacturing process therefor
KR20150123947A (en) * 2013-07-09 2015-11-04 신닛테츠스미킨 카부시키카이샤 METHOD FOR PRODUCING HIGH-Cr STEEL PIPE
WO2015033518A1 (en) * 2013-09-04 2015-03-12 Ｊｆｅスチール株式会社 Method for producing high-strength stainless steel pipe, and high-strength stainless steel pipe
BR112016027036B1 (en) 2014-05-21 2021-04-13 Jfe Steel Corporation HIGH RESISTANCE SEAMLESS STAINLESS STEEL TUBE FOR TUBULAR ARTICLES IN THE OIL FIELD AND METHOD FOR MANUFACTURING THE SAME
EP3112492A1 (en) 2015-06-29 2017-01-04 Vallourec Oil And Gas France Corrosion resistant steel, method for producing said steel and its use thereof
MX2018000331A (en) * 2015-07-10 2018-03-14 Jfe Steel Corp High strength seamless stainless steel pipe and manufacturing method therefor.
JP6409827B2 (en) 2015-08-18 2018-10-24 Ｊｆｅスチール株式会社 Manufacturing method of seamless stainless steel pipe for oil well
CN105463335A (en) * 2015-12-14 2016-04-06 天津钢管集团股份有限公司 Martensite phase transformation enhanced type double-phase stainless steel and method for making seamless steel pipe from same
JP6156609B1 (en) * 2016-02-08 2017-07-05 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well and method for producing the same
WO2017138050A1 (en) 2016-02-08 2017-08-17 Ｊｆｅスチール株式会社 High strength stainless steel seamless pipe for oil well and manufacturing method therefor
JP6460229B2 (en) 2016-03-29 2019-01-30 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well
EP3569724B1 (en) 2017-01-13 2022-02-02 JFE Steel Corporation High strength seamless stainless steel pipe and production method therefor
MX2022003877A (en) * 2019-10-01 2022-04-18 Jfe Steel Corp SEAMLESS STAINLESS STEEL TUBE AND METHOD FOR MANUFACTURING THE SAME.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2565287A1 (en) * 2010-04-28 2013-03-06 Nippon Steel & Sumitomo Metal Corporation High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well
EP2832881A1 (en) * 2012-03-26 2015-02-04 Nippon Steel & Sumitomo Metal Corporation Stainless steel for oil wells and stainless steel pipe for oil wells
US20170335422A1 (en) * 2014-11-27 2017-11-23 Jfe Steel Corporation Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipe
EP3456852A1 (en) * 2016-07-27 2019-03-20 JFE Steel Corporation High strength seamless stainless steel pipe for oil wells and production method therefor
EP3561131A1 (en) * 2017-02-24 2019-10-30 JFE Steel Corporation High strength seamless stainless steel pipe for oil well and production method therefor
WO2019035329A1 (en) * 2017-08-15 2019-02-21 Ｊｆｅスチール株式会社 High strength stainless seamless steel pipe for oil wells, and method for producing same
JP2019163499A (en) * 2018-03-19 2019-09-26 日本製鉄株式会社 Steel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022009598A1 *

Also Published As

Publication number Publication date
CN115917028A (en) 2023-04-04
AR122877A1 (en) 2022-10-12
MX2022016143A (en) 2023-02-09
BR112022025826A2 (en) 2023-01-17
WO2022009598A1 (en) 2022-01-13
JPWO2022009598A1 (en) 2022-01-13
EP4123037A1 (en) 2023-01-25
US20230340632A1 (en) 2023-10-26
JP7226571B2 (en) 2023-02-21

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