BE523773A - - Google Patents
Info
- Publication number
- BE523773A BE523773A BE523773DA BE523773A BE 523773 A BE523773 A BE 523773A BE 523773D A BE523773D A BE 523773DA BE 523773 A BE523773 A BE 523773A
- Authority
- BE
- Belgium
- Prior art keywords
- irons
- profile
- gutter
- profiled
- different
- 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
- E21D11/20—Special cross- sections, e.g. corrugated
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)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE523773A true BE523773A (forum.php) |
Family
ID=158599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523773D BE523773A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE523773A (forum.php) |
-
0
- BE BE523773D patent/BE523773A/fr unknown
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