BE627892A - - Google Patents
Info
- Publication number
- BE627892A BE627892A BE627892DA BE627892A BE 627892 A BE627892 A BE 627892A BE 627892D A BE627892D A BE 627892DA BE 627892 A BE627892 A BE 627892A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sealing Devices (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0065814 | 1962-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE627892A true BE627892A (en:Method) |
Family
ID=6974920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE627892D BE627892A (en:Method) | 1962-02-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE627892A (en:Method) |
| GB (1) | GB1025772A (en:Method) |
| NL (1) | NL277527A (en:Method) |
-
0
- NL NL277527D patent/NL277527A/xx unknown
- BE BE627892D patent/BE627892A/xx unknown
-
1963
- 1963-02-01 GB GB420663A patent/GB1025772A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL277527A (en:Method) | |
| GB1025772A (en) | 1966-04-14 |