BE688201A - - Google Patents
Info
- Publication number
- BE688201A BE688201A BE688201DA BE688201A BE 688201 A BE688201 A BE 688201A BE 688201D A BE688201D A BE 688201DA BE 688201 A BE688201 A BE 688201A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH0057414 | 1965-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE688201A true BE688201A (de) | 1967-03-16 |
Family
ID=7159751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE688201D BE688201A (de) | 1965-10-14 | 1966-10-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE688201A (de) |
| FR (1) | FR1494535A (de) |
| NL (1) | NL6614119A (de) |
-
0
- FR FR1494535D patent/FR1494535A/fr not_active Expired
-
1966
- 1966-10-07 NL NL6614119A patent/NL6614119A/xx unknown
- 1966-10-13 BE BE688201D patent/BE688201A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1494535A (de) | 1967-12-14 |
| NL6614119A (de) | 1967-04-17 |