NL27821C - - Google Patents
Info
- Publication number
- NL27821C NL27821C NL27821DA NL27821C NL 27821 C NL27821 C NL 27821C NL 27821D A NL27821D A NL 27821DA NL 27821 C NL27821 C NL 27821C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27821C true NL27821C (en) |
Family
ID=1792930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27821D NL27821C (en) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL27821C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2657030A (en) * | 1949-04-28 | 1953-10-27 | Metallgesellschaft Ag | Treatment of solid substances at higher temperatures under action of gases |
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0
- NL NL27821D patent/NL27821C/xx active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2657030A (en) * | 1949-04-28 | 1953-10-27 | Metallgesellschaft Ag | Treatment of solid substances at higher temperatures under action of gases |
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| NL27821C (en) |