PL214592A2 - - Google Patents
Info
- Publication number
- PL214592A2 PL214592A2 PL21459279A PL21459279A PL214592A2 PL 214592 A2 PL214592 A2 PL 214592A2 PL 21459279 A PL21459279 A PL 21459279A PL 21459279 A PL21459279 A PL 21459279A PL 214592 A2 PL214592 A2 PL 214592A2
- Authority
- PL
- Poland
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL21459279A PL115051B2 (en) | 1979-03-30 | 1979-03-30 | Shaft top of a mine ventilation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL21459279A PL115051B2 (en) | 1979-03-30 | 1979-03-30 | Shaft top of a mine ventilation shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL214592A2 true PL214592A2 (pl) | 1980-03-10 |
| PL115051B2 PL115051B2 (en) | 1981-03-31 |
Family
ID=19995476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21459279A PL115051B2 (en) | 1979-03-30 | 1979-03-30 | Shaft top of a mine ventilation shaft |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL115051B2 (pl) |
-
1979
- 1979-03-30 PL PL21459279A patent/PL115051B2/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL115051B2 (en) | 1981-03-31 |