PL250887A1 - Safety valve - Google Patents
Safety valveInfo
- Publication number
- PL250887A1 PL250887A1 PL25088784A PL25088784A PL250887A1 PL 250887 A1 PL250887 A1 PL 250887A1 PL 25088784 A PL25088784 A PL 25088784A PL 25088784 A PL25088784 A PL 25088784A PL 250887 A1 PL250887 A1 PL 250887A1
- Authority
- PL
- Poland
- Prior art keywords
- safety valve
- safety
- valve
- Prior art date
Links
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL25088784A PL250887A1 (en) | 1984-12-12 | 1984-12-12 | Safety valve |
HU472385A HU193356B (en) | 1984-12-12 | 1985-12-10 | Hydraulic control apparatus for controlling abutments and supplying elements in mines |
CN198585109597A CN85109597A (en) | 1984-12-12 | 1985-12-12 | The hydraulic control system of mine support |
DE19853543981 DE3543981A1 (en) | 1984-12-12 | 1985-12-12 | Hydraulic system for controlling a support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL25088784A PL250887A1 (en) | 1984-12-12 | 1984-12-12 | Safety valve |
Publications (1)
Publication Number | Publication Date |
---|---|
PL250887A1 true PL250887A1 (en) | 1986-06-17 |
Family
ID=20024472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL25088784A PL250887A1 (en) | 1984-12-12 | 1984-12-12 | Safety valve |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL250887A1 (en) |
-
1984
- 1984-12-12 PL PL25088784A patent/PL250887A1/en unknown
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