PL225334A2 - - Google Patents
Info
- Publication number
- PL225334A2 PL225334A2 PL22533480A PL22533480A PL225334A2 PL 225334 A2 PL225334 A2 PL 225334A2 PL 22533480 A PL22533480 A PL 22533480A PL 22533480 A PL22533480 A PL 22533480A PL 225334 A2 PL225334 A2 PL 225334A2
- Authority
- PL
- Poland
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL22533480A PL123778B2 (en) | 1980-06-30 | 1980-06-30 | Ventilation dam for mine workings of high formation pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL22533480A PL123778B2 (en) | 1980-06-30 | 1980-06-30 | Ventilation dam for mine workings of high formation pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL225334A2 true PL225334A2 (pl) | 1981-05-22 |
| PL123778B2 PL123778B2 (en) | 1982-11-30 |
Family
ID=20003965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22533480A PL123778B2 (en) | 1980-06-30 | 1980-06-30 | Ventilation dam for mine workings of high formation pressure |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL123778B2 (pl) |
-
1980
- 1980-06-30 PL PL22533480A patent/PL123778B2/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL123778B2 (en) | 1982-11-30 |