FR964555A - - Google Patents
Info
- Publication number
- FR964555A FR964555A FR964555DA FR964555A FR 964555 A FR964555 A FR 964555A FR 964555D A FR964555D A FR 964555DA FR 964555 A FR964555 A FR 964555A
- 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
- E21C27/18—Machines which completely free the mineral from the seam by both slitting and planing
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 |
|---|---|
| FR964555A true FR964555A (zh) | 1950-08-18 |
Family
ID=1565507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR964555D Expired FR964555A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR964555A (zh) |
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 FR964555D patent/FR964555A/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 |