BE656327A - - Google Patents
Info
- Publication number
- BE656327A BE656327A BE656327A BE656327A BE656327A BE 656327 A BE656327 A BE 656327A BE 656327 A BE656327 A BE 656327A BE 656327 A BE656327 A BE 656327A BE 656327 A BE656327 A BE 656327A
- 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)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Prostheses (AREA)
- Bridges Or Land Bridges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0074657 | 1963-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE656327A true BE656327A (de) | 1965-05-28 |
Family
ID=6978340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE656327A BE656327A (de) | 1963-12-13 | 1964-11-27 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT265175B (de) |
| BE (1) | BE656327A (de) |
| GB (1) | GB1086364A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630164B (zh) * | 2018-12-04 | 2020-06-02 | 安徽恒源煤电股份有限公司 | 一种可延伸液压支架 |
-
1964
- 1964-09-18 AT AT804364A patent/AT265175B/de active
- 1964-10-13 GB GB4175364A patent/GB1086364A/en not_active Expired
- 1964-11-27 BE BE656327A patent/BE656327A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT265175B (de) | 1968-09-25 |
| GB1086364A (en) | 1967-10-11 |