BE430412A - - Google Patents
Info
- Publication number
- BE430412A BE430412A BE430412DA BE430412A BE 430412 A BE430412 A BE 430412A BE 430412D A BE430412D A BE 430412DA BE 430412 A BE430412 A BE 430412A
- 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
- E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
- E21C25/50—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with equipment for cleaning the slit
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB843909X | 1938-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE430412A true BE430412A (pt) |
Family
ID=10571894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE430412D BE430412A (pt) | 1938-06-28 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE430412A (pt) |
| FR (1) | FR843909A (pt) |
-
0
- BE BE430412D patent/BE430412A/xx unknown
-
1938
- 1938-09-26 FR FR843909D patent/FR843909A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR843909A (fr) | 1939-07-12 |