FR561540A - - Google Patents
Info
- Publication number
- FR561540A FR561540A FR561540DA FR561540A FR 561540 A FR561540 A FR 561540A FR 561540D A FR561540D A FR 561540DA FR 561540 A FR561540 A FR 561540A
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR561540A true FR561540A (de) | 1923-10-23 |
Family
ID=1538885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR561540D Expired FR561540A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR561540A (de) |
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0
- FR FR561540D patent/FR561540A/fr not_active Expired