BE506971A - - Google Patents
Info
- Publication number
- BE506971A BE506971A BE506971DA BE506971A BE 506971 A BE506971 A BE 506971A BE 506971D A BE506971D A BE 506971DA BE 506971 A BE506971 A BE 506971A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE743975X | 1950-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE506971A true BE506971A (es) |
Family
ID=6647663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE506971D BE506971A (es) | 1950-11-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE506971A (es) |
| FR (1) | FR1044448A (es) |
| GB (1) | GB743975A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188350A (en) * | 1985-09-18 | 1987-09-30 | Donald Hindson | Mining machine |
-
0
- BE BE506971D patent/BE506971A/xx unknown
-
1951
- 1951-10-22 GB GB24533/51A patent/GB743975A/en not_active Expired
- 1951-11-05 FR FR1044448D patent/FR1044448A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1044448A (fr) | 1953-11-17 |
| GB743975A (en) | 1956-01-25 |