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WO1999025477A1 - Piege immerge pour mineraux alluviaux et variantes - Google Patents

Piege immerge pour mineraux alluviaux et variantes Download PDF

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Publication number
WO1999025477A1
WO1999025477A1 PCT/RU1997/000367 RU9700367W WO9925477A1 WO 1999025477 A1 WO1999025477 A1 WO 1999025477A1 RU 9700367 W RU9700367 W RU 9700367W WO 9925477 A1 WO9925477 A1 WO 9925477A1
Authority
WO
WIPO (PCT)
Prior art keywords
κοτορyχ
svοysτvami
vορsa
minerals
zhelοbοv
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.)
Ceased
Application number
PCT/RU1997/000367
Other languages
English (en)
Russian (ru)
Inventor
Valery Konstantinovich Mamaev
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PCT/RU1997/000367 priority Critical patent/WO1999025477A1/fr
Priority to AU27048/99A priority patent/AU2704899A/en
Publication of WO1999025477A1 publication Critical patent/WO1999025477A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • E02B3/023—Removing sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/20—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
    • B03B5/26—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation in sluices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/04—Separation devices for treating liquids from earth drilling, mining

Definitions

  • the trap trap of minerals (options).
  • the proposed group of inventions is related to the general business and is intended to be used in the manufacture of second-hand mineral resources for useful minerals.
  • the well-known "golden rune” is a device for separating the land from the sand. ⁇ e ⁇ emeschaem ⁇ g ⁇ ⁇ m v ⁇ dy ⁇ na ⁇ l ⁇ nn ⁇ ⁇ a- s ⁇ yanu ⁇ ym she ⁇ s ⁇ yu vve ⁇ ba ⁇ anim sh ⁇ u ⁇ am.Pes ⁇ un ⁇ silsya v ⁇ d ⁇ y.a ⁇ u ⁇ in ⁇ i z ⁇ l ⁇ a za ⁇ u ⁇ yvalis in she ⁇ s ⁇ i (Sm. ⁇ . ⁇ .
  • Each of the drives may be used autonomously.
  • the first version is equipped with a flexible, well-known and comfortable. made of tape or movable tape for flexibility. ⁇ las ⁇ incha ⁇ y ⁇ elemen ⁇ v.na ⁇ ve ⁇ n ⁇ s ⁇ i ⁇ y ⁇ imeyu ⁇ sya ⁇ dn ⁇ g ⁇ or in lyub ⁇ y ⁇ sled ⁇ - va ⁇ eln ⁇ s ⁇ i ⁇ e ⁇ echn ⁇ g ⁇ ⁇ as ⁇ l ⁇ zheniya.mine ⁇ al ⁇ ulavlivayu- Suitable ⁇ ve ⁇ n ⁇ s ⁇ i as: mn ⁇ g ⁇ yadn ⁇ y se ⁇ i with increasing ⁇ azme ⁇ a yachee ⁇ ⁇ nizhneg ⁇ ⁇ yada ⁇ ve ⁇ nemu; ⁇ igu ⁇ n ⁇ g ⁇ , ⁇ as- ⁇ ushenn ⁇ g ⁇ .
  • volumetric-pediatric road of the type "cargo” volumetric with other properties, knitted rings of different network sources ; Concentric LNG ; the saucer pore size of the cavity. at the bottom of the circuit, in a short-term procedure, there are half-emperrated recesses with lighted edges, as well as removals with light and magnetic substances.
  • the device is conveniently located in the form of gutters.
  • the " ⁇ " type is large, with great features, the knitted rings of the different 0 diameters are slightly unavailable.
  • Particles with magnetic and magnetic properties are used. Taken from analogs and industrial devices.
  • Flexible connection 7 (traffic channel) is hard-wired to Ground 1 and End 4 and is connected with the drum of the traction force mechanism 8 (Vorot, winch and t. ⁇ .).
  • Pe ⁇ ed is ⁇ lz ⁇ vaniem us ⁇ ys ⁇ va ⁇ ve ⁇ yae ⁇ sya
  • ⁇ es ⁇ e ⁇ e ⁇ emeschaem ⁇ g ⁇ ⁇ m mal ⁇ y and b ⁇ lsh ⁇ y ⁇ e ⁇ i, shli ⁇ vy ⁇ mine ⁇ al ⁇ v ⁇ la ⁇ iny, z ⁇ l ⁇ a, almaz ⁇ v, ⁇ l ⁇ va and d ⁇ .mi- 5
  • ne ⁇ al ⁇ v ⁇ lezny ⁇ is ⁇ aemy ⁇ .Us ⁇ ys ⁇ v ⁇ ⁇ ab ⁇ ae ⁇ ⁇ ugl ⁇ su- ⁇ chn ⁇ and ⁇ ugly g ⁇ d ⁇ a ⁇ iches ⁇ i without znachi ⁇ elny ⁇ za ⁇ a ⁇ . ⁇ 99/5 77
  • the proposed device allows the use of small and larger products that are weighed out; 5 ⁇ a ⁇ ⁇ azan ⁇ on ⁇ ig .2 us ⁇ ys ⁇ v ⁇ s ⁇ de ⁇ zhi ⁇ ⁇ l ⁇ n ⁇ ⁇ , ⁇ b ⁇ az ⁇ vann ⁇ e zhel ⁇ bami 2 ⁇ aynie of ⁇ y ⁇ equipped ⁇ an- dusami Z. ⁇ nu ⁇ i zhel ⁇ b ⁇ v ⁇ as ⁇ l ⁇ zheny ⁇ yazhel ⁇ vesnye ⁇ lzu- us s ⁇ eb ⁇ i-4 vy ⁇ lnennye of ⁇ lime ⁇ v, be ⁇ na, e ⁇ alla and ⁇ . ⁇ .
  • a two-wheel drive 5 for example, channel, 0-channel, metallic, etc. 1 snabzhen ⁇ ⁇ d dn ⁇ m ⁇ ans ⁇ i ⁇ v ⁇ chnymi s ⁇ eds ⁇ vami (on s ⁇ eme not ⁇ aza- us) with vzaim ⁇ deys ⁇ vuyuschimi na ⁇ avlyayuschimi 8 (5 ⁇ v ⁇ l ⁇ a. ⁇ s ⁇ ana ⁇ , ⁇ uba, s ⁇ e ⁇ zhen, and m ⁇ n ⁇ els ⁇ . ⁇ .).
  • the device (Fig. 2) works the following way. ⁇ ntsy na ⁇ avlyayuschi ⁇ 5 to 8 ⁇ i ⁇ si ⁇ uyu ⁇ sya ⁇ a ⁇ 9 ⁇ azny ⁇ be ⁇ e- ga ⁇ bys ⁇ e ⁇ uscheg ⁇ v ⁇ d ⁇ ema with ⁇ edva ⁇ i ⁇ elnym za ⁇ e ⁇ le- Niemi on ni ⁇ ⁇ ans ⁇ i ⁇ v ⁇ chny ⁇ s ⁇ eds ⁇ v ⁇ l ⁇ na 1.
  • the device in Fig. 3 contains an elastic tape with mineral trapping or trapping of parts 1, which is connected to the part 2
  • a traction power mechanism 6 is interconnected with a free mobile phone.
  • Pe ⁇ i ⁇ diches ⁇ i, che ⁇ ez ⁇ e has a quick connection with 5 (cable, winch and t.pi.), and there is a free cable 2 ⁇ v ⁇ i ⁇ a ⁇ shli ⁇ vy ⁇ mine ⁇ al ⁇ v with ⁇ imeneniem ⁇ yles ⁇ sa.na ⁇ avlenn ⁇ y s ⁇ ui v ⁇ dy, vy ⁇ ya ⁇ ivaniya, sb ⁇ a with ⁇ m ⁇ schyu ⁇ uchny ⁇ ⁇ is ⁇ s ⁇ - tions and ⁇ . ⁇ .P ⁇ i neznachi ⁇ eln ⁇ m u ⁇ l ⁇ ne, ⁇ gda ⁇ la ⁇ ma 1 ⁇ azyvae ⁇ sya not s ⁇ s ⁇ n ⁇ y sam ⁇ s ⁇ ya ⁇ eln ⁇ ⁇ e ⁇ emescha ⁇ sya ⁇ na ⁇ avlyayuschim 3 ⁇ i ⁇ slablenii na ⁇
  • ⁇ recesses of the grooves are equipped with removable minerals that express the curvature 7 with different types of amenities that are used in the prior art.
  • ⁇ b ⁇ azuyuschie ⁇ la ⁇ mu adjacent b ⁇ a ⁇ y ⁇ s ⁇ edineny with ⁇ m ⁇ schyu sha ⁇ ni ⁇ v 2, and ⁇ e ⁇ emych ⁇ a ⁇
  • ⁇ nu ⁇ i in s ⁇ ve ⁇ s ⁇ vii with ⁇ ilem zhel ⁇ b ⁇ v us ⁇ an ⁇ vleny retractable zhel ⁇ ba- ⁇ n ⁇ ey- bulkheads are equipped with 7 taps and are equipped with quick ramps 8 with 9.
  • the platform is equipped with towers.
  • the device may be equipped with directional, hazardous devices, flexible communications, and heavy-duty means of transportation.
  • the seventh option the unit, in the "side view” option (Fig. 7), is in the case of the receiver and the receiver is in good condition. - I’m not returning to a room that is free of charge.
  • ⁇ yazhelye and b ⁇ lee ⁇ l ⁇ nye.chem ⁇ es ⁇ .shli ⁇ vye mine- ⁇ aly ⁇ sedayu ⁇ and ude ⁇ zhiva
  • Product for 1 can be used as a flexible flexible ribbon product from any material, as well as any non-removable, non-removable one.
  • ⁇ ine ⁇ al ⁇ ulavlivayuschie ⁇ ve ⁇ n ⁇ s ⁇ i vy ⁇ lnyayu ⁇ - 5
  • legging mechanism 8 (door, winch, other mechanisms) may be - 16 -
  • a product for the intentional manufacture of mineral-trapping minerals in the form of saucer depressions is rubber-technical. synthetic, metallic, industrial and other materials.
  • Non-trapping devices with transparent and magnetic properties are used for industrial purposes and are used throughout the world.
  • the tape unit 1 (Fig. 3) is made from flexible, damaged, unpluggable, and the battery is plugged in.
  • Hot-wire 7, traction power 10 are used in the description earlier.
  • the first option (Fig. 5) is used in the production of durable plastic channels, anti-corrosive metal.
  • fiberglass dr. ma ⁇ e ⁇ ia- l ⁇ v. ⁇ sli for izg ⁇ vleniya zhel ⁇ b ⁇ v ⁇ imenyae ⁇ sya lis ⁇ v ⁇ y ma ⁇ e ⁇ ial, s ⁇ azhem, zhes ⁇ , ⁇ us ⁇ ys ⁇ v ⁇ ne ⁇ b ⁇ dim ⁇ ⁇ bes ⁇ e- chi ⁇ ballas ⁇ m, ⁇ ig ⁇ uz ⁇ m, ya ⁇ yami or ⁇ i ⁇ si ⁇ va ⁇ eg ⁇ on na ⁇ avlyayuschi, ⁇ azmeschaemy ⁇ ⁇ e ⁇ e ⁇ ⁇ usla v ⁇ d ⁇ ema in HA ⁇ yazh ⁇ u, ⁇ ntsy ⁇ y ⁇ za ⁇ e ⁇ lyayu ⁇ sya on ⁇ a.
  • Us ⁇ ys ⁇ v ⁇ ⁇ -sedm ⁇ mu va ⁇ ian ⁇ u ( ⁇ ig.7) -mu ⁇ y with ⁇ as ⁇ - ⁇ ubami ⁇ eshe ⁇ ami 1 and 2, s ⁇ edini ⁇ elnye mu ⁇ y 5 izg ⁇ av- livayu ⁇ sya of elas ⁇ ichny ⁇ ma ⁇ e ⁇ ial ⁇ v with u ⁇ ugimi sv ⁇ ys ⁇ va- E ( ⁇ ezin ⁇ e ⁇ niches ⁇ g ⁇ lime ⁇ n ⁇ g ⁇ and d ⁇ .sy ⁇ ya) or ⁇ ns ⁇ u ⁇ tsi ⁇ nny ⁇ ma ⁇ e ⁇ ial ⁇ v - ⁇ las ⁇ massy. metal.
  • P ⁇ edlagaemaya g ⁇ u ⁇ a ⁇ ed ⁇ lagaemy ⁇ iz ⁇ b ⁇ e ⁇ eny ⁇ zv ⁇ - lyae ⁇ is ⁇ lz ⁇ va ⁇ ⁇ usla es ⁇ ess ⁇ venny ⁇ bys ⁇ e ⁇ uschi ⁇ Ma- ly ⁇ and b ⁇ lshi ⁇ ⁇ e ⁇ .m ⁇ s ⁇ ie ⁇ be ⁇ ezhya in ⁇ aches ⁇ ve ⁇ i ⁇ d- ny ⁇ shlyuz ⁇ v for ⁇ sazhdeniya shli ⁇ vy ⁇ mine ⁇ al ⁇ v ⁇ lezny ⁇ used ⁇ aemy ⁇ , s ⁇ de ⁇ zhaschi ⁇ sya in ⁇ e ⁇ emeschaemy ⁇ ⁇ ami v ⁇ dy ⁇ es- ⁇ a ⁇ .Dlya ⁇ vysheniya e ⁇ e ⁇ ivn ⁇ s ⁇ i extraction shli ⁇ vy ⁇ E - Inland from river and sea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

Cette invention concerne un ensemble de dispositifs qui permettent d'extraire sous l'eau et par gravité les minéraux alluviaux se trouvant dans les espaces d'eaux de systèmes marins ou de côtes maritimes, et ceci de manière naturelle. Ces dispositifs comprennent un voile souple avec des systèmes d'acheminement, des guides, une connexion flexible et un mécanisme de traction, ainsi que des surfaces de piégeage des minéraux. Ces surfaces consistent en un filet à plusieurs rangées, dont la taille des cellules augmente depuis la rangée du bas vers celle du haut, et comprennent également d'autres types de revêtements. Chaque dispositif comprend un mécanisme à mouvement de va-et-vient qui permet de l'installer au fond du lit d'un bassin, ceci de manière précipiter et à maintenir les minéraux alluviaux par gravité. Ce mécanisme assure également le rinçage des minéraux ainsi que le retour du dispositif dans sa position initiale.
PCT/RU1997/000367 1997-11-18 1997-11-18 Piege immerge pour mineraux alluviaux et variantes Ceased WO1999025477A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/RU1997/000367 WO1999025477A1 (fr) 1997-11-18 1997-11-18 Piege immerge pour mineraux alluviaux et variantes
AU27048/99A AU2704899A (en) 1997-11-18 1997-11-18 Underwater trap for alluvial minerals and variants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU1997/000367 WO1999025477A1 (fr) 1997-11-18 1997-11-18 Piege immerge pour mineraux alluviaux et variantes

Publications (1)

Publication Number Publication Date
WO1999025477A1 true WO1999025477A1 (fr) 1999-05-27

Family

ID=20130164

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU1997/000367 Ceased WO1999025477A1 (fr) 1997-11-18 1997-11-18 Piege immerge pour mineraux alluviaux et variantes

Country Status (2)

Country Link
AU (1) AU2704899A (fr)
WO (1) WO1999025477A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2234983C2 (ru) * 2002-03-11 2004-08-27 Верхотуров Михаил Васильевич Шлюз маятникового типа для концентрации тяжелых минералов

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU26994A1 (ru) * 1931-05-05 1932-07-31 А.Ф. Карякин Шлюз с барабанами дл разрыхлени эфельной пульпы
DE2542940B2 (de) * 1975-09-26 1979-05-23 Wolfgang 6701 Waldsee Rohr Vorrichtung zum Auswaschen von organischen und lehmartigen Verunreinigungen aus fortlaufend zugeführten grob- und feinkörnigen Feststoffen
GB1576469A (en) * 1977-03-25 1980-10-08 Nat Res Dev Sand separator
DE3344855A1 (de) * 1983-12-12 1985-07-11 Willi 3300 Braunschweig Schneider Wasch- und entwaesserungsanlage zum waschen von koernungsmaterial und zum entwaessern von wasser-feststoffgemischen
FR2594357A1 (fr) * 1986-02-14 1987-08-21 Transvalor Sa Appareil portatif pour recuperer des particules lourdes dans des materiaux divises
SU1695985A1 (ru) * 1989-03-30 1991-12-07 Институт горного дела Севера СО АН СССР Трубный уловитель
RU2068300C1 (ru) * 1994-05-06 1996-10-27 Красноярский институт цветных металлов Шлюз для обогащения полезных ископаемых
RU2071833C1 (ru) * 1994-04-28 1997-01-20 Дальневосточный государственный технический университет Способ разработки подводных россыпей и устройство для его осуществления
RU2095147C1 (ru) * 1995-05-03 1997-11-10 Виктор Трофимович Кардаш Способ обогащения россыпей постоянным разрыхлением концентрата тяжелых минералов и устройство для его осуществления

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU26994A1 (ru) * 1931-05-05 1932-07-31 А.Ф. Карякин Шлюз с барабанами дл разрыхлени эфельной пульпы
DE2542940B2 (de) * 1975-09-26 1979-05-23 Wolfgang 6701 Waldsee Rohr Vorrichtung zum Auswaschen von organischen und lehmartigen Verunreinigungen aus fortlaufend zugeführten grob- und feinkörnigen Feststoffen
GB1576469A (en) * 1977-03-25 1980-10-08 Nat Res Dev Sand separator
DE3344855A1 (de) * 1983-12-12 1985-07-11 Willi 3300 Braunschweig Schneider Wasch- und entwaesserungsanlage zum waschen von koernungsmaterial und zum entwaessern von wasser-feststoffgemischen
FR2594357A1 (fr) * 1986-02-14 1987-08-21 Transvalor Sa Appareil portatif pour recuperer des particules lourdes dans des materiaux divises
SU1695985A1 (ru) * 1989-03-30 1991-12-07 Институт горного дела Севера СО АН СССР Трубный уловитель
RU2071833C1 (ru) * 1994-04-28 1997-01-20 Дальневосточный государственный технический университет Способ разработки подводных россыпей и устройство для его осуществления
RU2068300C1 (ru) * 1994-05-06 1996-10-27 Красноярский институт цветных металлов Шлюз для обогащения полезных ископаемых
RU2095147C1 (ru) * 1995-05-03 1997-11-10 Виктор Трофимович Кардаш Способ обогащения россыпей постоянным разрыхлением концентрата тяжелых минералов и устройство для его осуществления

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
V.N. SHOKHIN et al., Gravitatsionnye Metody Obogaschenya, M., NEDRA, 1993, pages 221-222, 226-227, 229-230, 244-245. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2234983C2 (ru) * 2002-03-11 2004-08-27 Верхотуров Михаил Васильевич Шлюз маятникового типа для концентрации тяжелых минералов

Also Published As

Publication number Publication date
AU2704899A (en) 1999-06-07

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