LU27739A1 - - Google Patents
Info
- Publication number
- LU27739A1 LU27739A1 LU27739DA LU27739A1 LU 27739 A1 LU27739 A1 LU 27739A1 LU 27739D A LU27739D A LU 27739DA LU 27739 A1 LU27739 A1 LU 27739A1
- Authority
- LU
- Luxembourg
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
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
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 |
|---|---|---|---|
| LU27739 | 1945-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU27739A1 true LU27739A1 (ja) | 1945-10-24 |
Family
ID=19722202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU27739D LU27739A1 (ja) | 1945-08-24 | 1945-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU27739A1 (ja) |
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1945
- 1945-08-24 LU LU27739D patent/LU27739A1/xx unknown