PL246497A1 - Shield beam for a multisctional roof support unit - Google Patents
Shield beam for a multisctional roof support unitInfo
- Publication number
- PL246497A1 PL246497A1 PL24649784A PL24649784A PL246497A1 PL 246497 A1 PL246497 A1 PL 246497A1 PL 24649784 A PL24649784 A PL 24649784A PL 24649784 A PL24649784 A PL 24649784A PL 246497 A1 PL246497 A1 PL 246497A1
- Authority
- PL
- Poland
- Prior art keywords
- multisctional
- support unit
- roof support
- shield beam
- shield
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24649784A PL143229B1 (en) | 1984-03-01 | 1984-03-01 | Shield beam for a multisctional roof support unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24649784A PL143229B1 (en) | 1984-03-01 | 1984-03-01 | Shield beam for a multisctional roof support unit |
Publications (2)
Publication Number | Publication Date |
---|---|
PL246497A1 true PL246497A1 (en) | 1985-09-10 |
PL143229B1 PL143229B1 (en) | 1988-01-30 |
Family
ID=20020781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL24649784A PL143229B1 (en) | 1984-03-01 | 1984-03-01 | Shield beam for a multisctional roof support unit |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL143229B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103758553A (en) * | 2013-12-05 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Sprag beam structure for hydraulic support, and hydraulic support |
-
1984
- 1984-03-01 PL PL24649784A patent/PL143229B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL143229B1 (en) | 1988-01-30 |
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