FR1246660A - Machines for mining coal and other materials - Google Patents
Machines for mining coal and other materialsInfo
- Publication number
- FR1246660A FR1246660A FR817293A FR817293A FR1246660A FR 1246660 A FR1246660 A FR 1246660A FR 817293 A FR817293 A FR 817293A FR 817293 A FR817293 A FR 817293A FR 1246660 A FR1246660 A FR 1246660A
- Authority
- FR
- France
- Prior art keywords
- machines
- materials
- mining coal
- mining
- coal
- 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
- 239000003245 coal Substances 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR817293A FR1246660A (en) | 1960-02-02 | 1960-02-02 | Machines for mining coal and other materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR817293A FR1246660A (en) | 1960-02-02 | 1960-02-02 | Machines for mining coal and other materials |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1246660A true FR1246660A (en) | 1960-11-18 |
Family
ID=8724613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR817293A Expired FR1246660A (en) | 1960-02-02 | 1960-02-02 | Machines for mining coal and other materials |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1246660A (en) |
-
1960
- 1960-02-02 FR FR817293A patent/FR1246660A/en not_active Expired
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