FR548519A - Tin ore processing process - Google Patents
Tin ore processing processInfo
- Publication number
- FR548519A FR548519A FR548519DA FR548519A FR 548519 A FR548519 A FR 548519A FR 548519D A FR548519D A FR 548519DA FR 548519 A FR548519 A FR 548519A
- Authority
- FR
- France
- Prior art keywords
- processing process
- ore processing
- tin ore
- tin
- processing
- 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.)
- 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
- C22B25/00—Obtaining tin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/14—Form signals, e.g. semaphore arms
- B61L5/16—Local operating mechanisms for form signals
-
- 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
- C22B25/00—Obtaining tin
- C22B25/02—Obtaining tin by dry processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR548519T | 1921-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR548519A true FR548519A (en) | 1923-01-17 |
Family
ID=8934892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR548519D Expired FR548519A (en) | 1921-07-07 | 1921-07-07 | Tin ore processing process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR548519A (en) |
-
1921
- 1921-07-07 FR FR548519D patent/FR548519A/en not_active Expired
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