FR976859A - Special steel support - Google Patents
Special steel supportInfo
- Publication number
- FR976859A FR976859A FR976859DA FR976859A FR 976859 A FR976859 A FR 976859A FR 976859D A FR976859D A FR 976859DA FR 976859 A FR976859 A FR 976859A
- Authority
- FR
- France
- Prior art keywords
- steel support
- special steel
- special
- support
- steel
- 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
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 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
- E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
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 |
---|---|---|---|
FR976859T | 1948-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR976859A true FR976859A (en) | 1951-03-23 |
Family
ID=9519174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR976859D Expired FR976859A (en) | 1948-10-22 | 1948-10-22 | Special steel support |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR976859A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385974A1 (en) * | 1977-03-29 | 1978-10-27 | Kloeckner Werke Ag | STEEL ALLOY IN PARTICULAR FOR GALLERY SUPPORT PROFILES IN MINING EXPLOITATION |
-
1948
- 1948-10-22 FR FR976859D patent/FR976859A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385974A1 (en) * | 1977-03-29 | 1978-10-27 | Kloeckner Werke Ag | STEEL ALLOY IN PARTICULAR FOR GALLERY SUPPORT PROFILES IN MINING EXPLOITATION |
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