PL285357A1 - Ejector type ventilation unit for mine working - Google Patents
Ejector type ventilation unit for mine workingInfo
- Publication number
- PL285357A1 PL285357A1 PL28535790A PL28535790A PL285357A1 PL 285357 A1 PL285357 A1 PL 285357A1 PL 28535790 A PL28535790 A PL 28535790A PL 28535790 A PL28535790 A PL 28535790A PL 285357 A1 PL285357 A1 PL 285357A1
- Authority
- PL
- Poland
- Prior art keywords
- ventilation unit
- type ventilation
- mine working
- ejector type
- ejector
- Prior art date
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL28535790A PL162534B1 (en) | 1990-05-24 | 1990-05-24 | Ejector type ventilation unit for mine working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL28535790A PL162534B1 (en) | 1990-05-24 | 1990-05-24 | Ejector type ventilation unit for mine working |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL285357A1 true PL285357A1 (en) | 1991-12-02 |
| PL162534B1 PL162534B1 (en) | 1993-12-31 |
Family
ID=20051322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL28535790A PL162534B1 (en) | 1990-05-24 | 1990-05-24 | Ejector type ventilation unit for mine working |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL162534B1 (en) |
-
1990
- 1990-05-24 PL PL28535790A patent/PL162534B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL162534B1 (en) | 1993-12-31 |
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