PL217676A2 - - Google Patents
Info
- Publication number
- PL217676A2 PL217676A2 PL21767679A PL21767679A PL217676A2 PL 217676 A2 PL217676 A2 PL 217676A2 PL 21767679 A PL21767679 A PL 21767679A PL 21767679 A PL21767679 A PL 21767679A PL 217676 A2 PL217676 A2 PL 217676A2
- Authority
- PL
- Poland
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL21767679A PL118374B2 (en) | 1979-08-08 | 1979-08-08 | Suspended mine roof support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL21767679A PL118374B2 (en) | 1979-08-08 | 1979-08-08 | Suspended mine roof support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL217676A2 true PL217676A2 (pl) | 1980-08-11 |
| PL118374B2 PL118374B2 (en) | 1981-09-30 |
Family
ID=19997888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21767679A PL118374B2 (en) | 1979-08-08 | 1979-08-08 | Suspended mine roof support |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL118374B2 (pl) |
-
1979
- 1979-08-08 PL PL21767679A patent/PL118374B2/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL118374B2 (en) | 1981-09-30 |