PL328589A1 - Longwall mechanical coal miner arm swinging system - Google Patents
Longwall mechanical coal miner arm swinging systemInfo
- Publication number
- PL328589A1 PL328589A1 PL32858998A PL32858998A PL328589A1 PL 328589 A1 PL328589 A1 PL 328589A1 PL 32858998 A PL32858998 A PL 32858998A PL 32858998 A PL32858998 A PL 32858998A PL 328589 A1 PL328589 A1 PL 328589A1
- Authority
- PL
- Poland
- Prior art keywords
- arm swinging
- coal miner
- mechanical coal
- swinging system
- longwall
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL98328589A PL189722B1 (en) | 1998-09-14 | 1998-09-14 | Longwall mechanical coal miner arm swinging system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL98328589A PL189722B1 (en) | 1998-09-14 | 1998-09-14 | Longwall mechanical coal miner arm swinging system |
Publications (2)
Publication Number | Publication Date |
---|---|
PL328589A1 true PL328589A1 (en) | 2000-03-27 |
PL189722B1 PL189722B1 (en) | 2005-09-30 |
Family
ID=20072828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL98328589A PL189722B1 (en) | 1998-09-14 | 1998-09-14 | Longwall mechanical coal miner arm swinging system |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL189722B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105422094B (en) * | 2015-11-16 | 2017-12-19 | 中国矿业大学 | A kind of direct drive type hydraulic transmission coal-winning machine cutting drum height-adjusting system and method |
-
1998
- 1998-09-14 PL PL98328589A patent/PL189722B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PL189722B1 (en) | 2005-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Decisions on the lapse of the protection rights |
Effective date: 20060914 |