FR530021A - Cuvelage - Google Patents
CuvelageInfo
- Publication number
- FR530021A FR530021A FR530021DA FR530021A FR 530021 A FR530021 A FR 530021A FR 530021D A FR530021D A FR 530021DA FR 530021 A FR530021 A FR 530021A
- Authority
- FR
- France
- Prior art keywords
- casing
- Prior art date
- 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
- E21D5/00—Lining shafts; Linings therefor
- E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE530021X | 1920-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR530021A true FR530021A (fr) | 1921-12-12 |
Family
ID=6554328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR530021D Expired FR530021A (fr) | 1920-02-23 | 1921-01-21 | Cuvelage |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR530021A (fr) |
-
1921
- 1921-01-21 FR FR530021D patent/FR530021A/fr not_active Expired
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