PL229731A2 - - Google Patents
Info
- Publication number
- PL229731A2 PL229731A2 PL22973181A PL22973181A PL229731A2 PL 229731 A2 PL229731 A2 PL 229731A2 PL 22973181 A PL22973181 A PL 22973181A PL 22973181 A PL22973181 A PL 22973181A PL 229731 A2 PL229731 A2 PL 229731A2
- Authority
- PL
- Poland
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL22973181A PL127443B2 (en) | 1981-02-16 | 1981-02-16 | Conduit for passing and measuring flow of air outflowing from a mine ventilation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL22973181A PL127443B2 (en) | 1981-02-16 | 1981-02-16 | Conduit for passing and measuring flow of air outflowing from a mine ventilation shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL229731A2 true PL229731A2 (pl) | 1981-12-23 |
| PL127443B2 PL127443B2 (en) | 1983-10-31 |
Family
ID=20007374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22973181A PL127443B2 (en) | 1981-02-16 | 1981-02-16 | Conduit for passing and measuring flow of air outflowing from a mine ventilation shaft |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL127443B2 (pl) |
-
1981
- 1981-02-16 PL PL22973181A patent/PL127443B2/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL127443B2 (en) | 1983-10-31 |