NL277527A - - Google Patents
Info
- Publication number
- NL277527A NL277527A NL277527DA NL277527A NL 277527 A NL277527 A NL 277527A NL 277527D A NL277527D A NL 277527DA NL 277527 A NL277527 A NL 277527A
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL277527A true NL277527A (https=) |
Family
ID=6974920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL277527D NL277527A (https=) | 1962-02-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE627892A (https=) |
| GB (1) | GB1025772A (https=) |
| NL (1) | NL277527A (https=) |
-
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 |
|---|---|
| GB1025772A (en) | 1966-04-14 |
| BE627892A (https=) |