PL252317A1 - Roof support hydraulic control system - Google Patents
Roof support hydraulic control systemInfo
- Publication number
- PL252317A1 PL252317A1 PL25231785A PL25231785A PL252317A1 PL 252317 A1 PL252317 A1 PL 252317A1 PL 25231785 A PL25231785 A PL 25231785A PL 25231785 A PL25231785 A PL 25231785A PL 252317 A1 PL252317 A1 PL 252317A1
- Authority
- PL
- Poland
- Prior art keywords
- control system
- hydraulic control
- roof support
- support hydraulic
- roof
- Prior art date
Links
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL25231785A PL146749B1 (en) | 1985-03-07 | 1985-03-07 | Roof support hydraulic control system |
HU472385A HU193356B (en) | 1984-12-12 | 1985-12-10 | Hydraulic control apparatus for controlling abutments and supplying elements in mines |
DE19853543981 DE3543981A1 (en) | 1984-12-12 | 1985-12-12 | Hydraulic system for controlling a support |
CN198585109597A CN85109597A (en) | 1984-12-12 | 1985-12-12 | The hydraulic control system of mine support |
GB08530585A GB2173241A (en) | 1984-12-17 | 1985-12-16 | Hydraulic control system for a mining support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL25231785A PL146749B1 (en) | 1985-03-07 | 1985-03-07 | Roof support hydraulic control system |
Publications (2)
Publication Number | Publication Date |
---|---|
PL252317A1 true PL252317A1 (en) | 1986-09-23 |
PL146749B1 PL146749B1 (en) | 1989-03-31 |
Family
ID=20025718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL25231785A PL146749B1 (en) | 1984-12-12 | 1985-03-07 | Roof support hydraulic control system |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL146749B1 (en) |
-
1985
- 1985-03-07 PL PL25231785A patent/PL146749B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL146749B1 (en) | 1989-03-31 |
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