PL244532A1 - Lemniscate type roof support - Google Patents
Lemniscate type roof supportInfo
- Publication number
- PL244532A1 PL244532A1 PL24453283A PL24453283A PL244532A1 PL 244532 A1 PL244532 A1 PL 244532A1 PL 24453283 A PL24453283 A PL 24453283A PL 24453283 A PL24453283 A PL 24453283A PL 244532 A1 PL244532 A1 PL 244532A1
- Authority
- PL
- Poland
- Prior art keywords
- roof support
- type roof
- lemniscate
- lemniscate type
- support
- Prior art date
Links
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24453283A PL140157B1 (en) | 1983-11-11 | 1983-11-11 | Lemniscate type roof support |
YU122684A YU122684A (en) | 1983-07-16 | 1984-07-13 | Supporting protective cladding for mines |
HU274684A HU190935B (en) | 1983-07-16 | 1984-07-13 | Mine supporting device |
CS845437A CS543784A2 (en) | 1983-07-16 | 1984-07-13 | Reinforcing protective mine casing pipe |
DE19843426179 DE3426179A1 (en) | 1983-07-16 | 1984-07-16 | Mining support system with prop protection |
DE19843448126 DE3448126C2 (en) | 1983-07-16 | 1984-07-16 | Shield-type support assembly for underground mining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24453283A PL140157B1 (en) | 1983-11-11 | 1983-11-11 | Lemniscate type roof support |
Publications (2)
Publication Number | Publication Date |
---|---|
PL244532A1 true PL244532A1 (en) | 1985-05-21 |
PL140157B1 PL140157B1 (en) | 1987-03-31 |
Family
ID=20019136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL24453283A PL140157B1 (en) | 1983-07-16 | 1983-11-11 | Lemniscate type roof support |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL140157B1 (en) |
-
1983
- 1983-11-11 PL PL24453283A patent/PL140157B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL140157B1 (en) | 1987-03-31 |
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