FR744271A - - Google Patents
Info
- Publication number
- FR744271A FR744271A FR744271DA FR744271A FR 744271 A FR744271 A FR 744271A FR 744271D A FR744271D A FR 744271DA FR 744271 A FR744271 A FR 744271A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- E21D11/04—Lining with building materials
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB744271T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744271A true FR744271A (de) | 1933-04-14 |
Family
ID=1548400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744271D Expired FR744271A (de) | 1932-10-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE392146A (de) |
| FR (1) | FR744271A (de) |
-
1932
- 1932-10-18 FR FR744271D patent/FR744271A/fr not_active Expired
- 1932-11-08 BE BE392146A patent/BE392146A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE392146A (de) | 1931-12-31 |