FR2135213A1 - - Google Patents
Info
- Publication number
- FR2135213A1 FR2135213A1 FR7215516A FR7215516A FR2135213A1 FR 2135213 A1 FR2135213 A1 FR 2135213A1 FR 7215516 A FR7215516 A FR 7215516A FR 7215516 A FR7215516 A FR 7215516A FR 2135213 A1 FR2135213 A1 FR 2135213A1
- 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.)
- Withdrawn
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
- E21D11/36—Linings or supports specially shaped for tunnels or galleries of irregular cross-section
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT342071 | 1971-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2135213A1 true FR2135213A1 (show.php) | 1972-12-15 |
Family
ID=11106977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7215516A Withdrawn FR2135213A1 (show.php) | 1971-05-04 | 1972-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2135213A1 (show.php) |
-
1972
- 1972-05-02 FR FR7215516A patent/FR2135213A1/fr not_active Withdrawn
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |