PL292773A1 - Self-advancing roof supports for the crossing between a longwall working and a gallery - Google Patents
Self-advancing roof supports for the crossing between a longwall working and a galleryInfo
- Publication number
- PL292773A1 PL292773A1 PL29277391A PL29277391A PL292773A1 PL 292773 A1 PL292773 A1 PL 292773A1 PL 29277391 A PL29277391 A PL 29277391A PL 29277391 A PL29277391 A PL 29277391A PL 292773 A1 PL292773 A1 PL 292773A1
- Authority
- PL
- Poland
- Prior art keywords
- gallery
- crossing
- self
- roof supports
- longwall working
- Prior art date
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL29277391A PL166466B1 (en) | 1991-09-14 | 1991-12-12 | mechanized lining of the intersection of the longwall excavation with the pavement 57 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL29277391 | 1991-09-14 | ||
| PL29277391A PL166466B1 (en) | 1991-09-14 | 1991-12-12 | mechanized lining of the intersection of the longwall excavation with the pavement 57 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL292773A1 true PL292773A1 (en) | 1993-04-05 |
| PL166466B1 PL166466B1 (en) | 1995-05-31 |
Family
ID=26653073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL29277391A PL166466B1 (en) | 1991-09-14 | 1991-12-12 | mechanized lining of the intersection of the longwall excavation with the pavement 57 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL166466B1 (en) |
-
1991
- 1991-12-12 PL PL29277391A patent/PL166466B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL166466B1 (en) | 1995-05-31 |
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