BE566834A - - Google Patents
Info
- Publication number
- BE566834A BE566834A BE566834DA BE566834A BE 566834 A BE566834 A BE 566834A BE 566834D A BE566834D A BE 566834DA BE 566834 A BE566834 A BE 566834A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1172465T | 1957-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE566834A true BE566834A (xx) |
Family
ID=9658009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE566834D BE566834A (xx) | 1957-04-19 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE566834A (xx) |
| FR (1) | FR1172465A (xx) |
| GB (1) | GB833903A (xx) |
-
0
- BE BE566834D patent/BE566834A/xx unknown
-
1957
- 1957-04-19 FR FR1172465D patent/FR1172465A/fr not_active Expired
-
1958
- 1958-04-15 GB GB11979/58A patent/GB833903A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB833903A (en) | 1960-05-04 |
| FR1172465A (fr) | 1959-02-11 |