BE432747A - - Google Patents
Info
- Publication number
- BE432747A BE432747A BE432747DA BE432747A BE 432747 A BE432747 A BE 432747A BE 432747D A BE432747D A BE 432747DA BE 432747 A BE432747 A BE 432747A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- corner
- pound
- Prior art date
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
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
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)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE432747A true BE432747A (enExample) |
Family
ID=92253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432747D BE432747A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE432747A (enExample) |
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0
- BE BE432747D patent/BE432747A/fr unknown