PL244567A1 - Longwall type roof support - Google Patents
Longwall type roof supportInfo
- Publication number
- PL244567A1 PL244567A1 PL24456783A PL24456783A PL244567A1 PL 244567 A1 PL244567 A1 PL 244567A1 PL 24456783 A PL24456783 A PL 24456783A PL 24456783 A PL24456783 A PL 24456783A PL 244567 A1 PL244567 A1 PL 244567A1
- Authority
- PL
- Poland
- Prior art keywords
- roof support
- type roof
- longwall type
- longwall
- support
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24456783A PL140042B1 (en) | 1983-11-14 | 1983-11-14 | Longwall type roof support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24456783A PL140042B1 (en) | 1983-11-14 | 1983-11-14 | Longwall type roof support |
Publications (2)
Publication Number | Publication Date |
---|---|
PL244567A1 true PL244567A1 (en) | 1985-05-21 |
PL140042B1 PL140042B1 (en) | 1987-03-31 |
Family
ID=20019166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL24456783A PL140042B1 (en) | 1983-11-14 | 1983-11-14 | Longwall type roof support |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL140042B1 (en) |
-
1983
- 1983-11-14 PL PL24456783A patent/PL140042B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL140042B1 (en) | 1987-03-31 |
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