BE401341A - - Google Patents
Info
- Publication number
- BE401341A BE401341A BE401341DA BE401341A BE 401341 A BE401341 A BE 401341A BE 401341D A BE401341D A BE 401341DA BE 401341 A BE401341 A BE 401341A
- 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)
- Combined Devices Of Dampers And Springs (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE433220X | 1933-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE401341A true BE401341A (en:Method) |
Family
ID=6498306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE401341D BE401341A (en:Method) | 1933-02-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE401341A (en:Method) |
| FR (1) | FR768419A (en:Method) |
| GB (1) | GB433220A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE941541C (de) * | 1952-04-09 | 1956-04-12 | Eisenwerk Wanheim G M B H | Verstellbarer metallischer Grubenstempel |
| CN106894832B (zh) * | 2017-04-25 | 2019-01-15 | 沈阳航空航天大学 | 一种金属切削式吸能防冲液压立柱 |
-
0
- BE BE401341D patent/BE401341A/xx unknown
-
1934
- 1934-02-09 FR FR768419D patent/FR768419A/fr not_active Expired
- 1934-02-12 GB GB4603/34A patent/GB433220A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR768419A (fr) | 1934-08-06 |
| GB433220A (en) | 1935-08-12 |