BE727235A - - Google Patents
Info
- Publication number
- BE727235A BE727235A BE727235DA BE727235A BE 727235 A BE727235 A BE 727235A BE 727235D A BE727235D A BE 727235DA BE 727235 A BE727235 A BE 727235A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/02—Non-telescopic props
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681608279 DE1608279A1 (en) | 1968-03-15 | 1968-03-15 | Component for pit construction, especially beams for pillars in box construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727235A true BE727235A (en) | 1969-07-01 |
Family
ID=5681508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727235D BE727235A (en) | 1968-03-15 | 1969-01-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE727235A (en) |
| FR (1) | FR2003959A1 (en) |
| GB (1) | GB1250235A (en) |
-
1969
- 1969-01-22 BE BE727235D patent/BE727235A/xx unknown
- 1969-03-07 FR FR6906414A patent/FR2003959A1/fr not_active Withdrawn
- 1969-03-12 GB GB1250235D patent/GB1250235A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2003959A1 (en) | 1969-11-14 |
| GB1250235A (en) | 1971-10-20 |