FR53308E - Poteau télescopique en fer pour mines - Google Patents
Poteau télescopique en fer pour minesInfo
- Publication number
- FR53308E FR53308E FR53308DA FR53308E FR 53308 E FR53308 E FR 53308E FR 53308D A FR53308D A FR 53308DA FR 53308 E FR53308 E FR 53308E
- Authority
- FR
- France
- Prior art keywords
- mines
- iron pole
- telescopic iron
- telescopic
- pole
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
- 229910052742 iron Inorganic materials 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical 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 |
|---|---|---|---|
| FR53308T | 1944-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR53308E true FR53308E (fr) | 1945-10-16 |
Family
ID=8687885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR53308D Expired FR53308E (fr) | 1944-01-19 | 1944-01-19 | Poteau télescopique en fer pour mines |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR53308E (fr) |
-
1944
- 1944-01-19 FR FR53308D patent/FR53308E/fr not_active Expired
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