FR955347A - - Google Patents
Info
- Publication number
- FR955347A FR955347A FR955347DA FR955347A FR 955347 A FR955347 A FR 955347A FR 955347D A FR955347D A FR 955347DA FR 955347 A FR955347 A FR 955347A
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/36—Machine self-propelled along the working face
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR955347A true FR955347A (no) | 1950-01-14 |
Family
ID=1558106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR955347D Expired FR955347A (no) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR955347A (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE970269C (de) * | 1951-11-21 | 1958-09-04 | Hans Joachim Von Hippel Dr Ing | Verfahren und Vorrichtung zur Gewinnung von Kohle im Langfrontbau |
-
0
- FR FR955347D patent/FR955347A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE970269C (de) * | 1951-11-21 | 1958-09-04 | Hans Joachim Von Hippel Dr Ing | Verfahren und Vorrichtung zur Gewinnung von Kohle im Langfrontbau |