BE405990A - - Google Patents
Info
- Publication number
- BE405990A BE405990A BE405990DA BE405990A BE 405990 A BE405990 A BE 405990A BE 405990D A BE405990D A BE 405990DA BE 405990 A BE405990 A BE 405990A
- Authority
- BE
- Belgium
- Prior art keywords
- desc
- page number
- clms page
- clms
- attention
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Developing Agents For Electrophotography (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Description
<Desc/Clms Page number 1> EMI1.1 <Desc/Clms Page number 2> EMI2.1 **ATTENTION** fin du champ DESC peut contenir debut de CLMS **.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE405990A true BE405990A (fr) |
Family
ID=71084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE405990D BE405990A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE405990A (fr) |
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0
- BE BE405990D patent/BE405990A/fr unknown