DE248473C - - Google Patents
Info
- Publication number
- DE248473C DE248473C DENDAT248473D DE248473DA DE248473C DE 248473 C DE248473 C DE 248473C DE NDAT248473 D DENDAT248473 D DE NDAT248473D DE 248473D A DE248473D A DE 248473DA DE 248473 C DE248473 C DE 248473C
- Authority
- DE
- Germany
- Prior art keywords
- stamp
- cap
- shaped
- inserts
- door frame
- 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.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 description 2
- 240000003085 Quassia amara Species 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
- E21D11/34—Joints between vertical props and horizontal top bars
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)
- Gates (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE248473C true DE248473C (https=) |
Family
ID=507182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT248473D Active DE248473C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE248473C (https=) |
-
0
- DE DENDAT248473D patent/DE248473C/de active Active
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