CN201372720Y - 一种履带式坑道钻机的转盘转向与稳固装置 - Google Patents
一种履带式坑道钻机的转盘转向与稳固装置 Download PDFInfo
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- CN201372720Y CN201372720Y CN200920032294U CN200920032294U CN201372720Y CN 201372720 Y CN201372720 Y CN 201372720Y CN 200920032294 U CN200920032294 U CN 200920032294U CN 200920032294 U CN200920032294 U CN 200920032294U CN 201372720 Y CN201372720 Y CN 201372720Y
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- drill rig
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CN200920032294U CN201372720Y (zh) | 2009-03-23 | 2009-03-23 | 一种履带式坑道钻机的转盘转向与稳固装置 |
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CN200920032294U CN201372720Y (zh) | 2009-03-23 | 2009-03-23 | 一种履带式坑道钻机的转盘转向与稳固装置 |
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CN201372720Y true CN201372720Y (zh) | 2009-12-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110965934A (zh) * | 2019-12-10 | 2020-04-07 | 于珍 | 一种履带全液压坑道钻机 |
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2009
- 2009-03-23 CN CN200920032294U patent/CN201372720Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110965934A (zh) * | 2019-12-10 | 2020-04-07 | 于珍 | 一种履带全液压坑道钻机 |
CN110965934B (zh) * | 2019-12-10 | 2021-10-26 | 山东省地质矿产勘查开发局第八地质大队(山东省第八地质矿产勘查院) | 一种履带全液压坑道钻机 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY + ENGINEERING GROUP XI'AN RE Free format text: FORMER NAME: SIAN BRANCH OF CHINA COAL RESEARCH INSTITUTE Owner name: XI'AN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY Free format text: FORMER NAME: CHINA COAL TECHNOLOGY + ENGINEERING GROUP XI'AN RESEARCH INSTITUTE |
|
CP01 | Change in the name or title of a patent holder |
Address after: 710054 No. 52, Yanta Road, Xi'an, Shaanxi Patentee after: CCTEG Xi'an Research Institute Address before: 710054 No. 52, Yanta Road, Xi'an, Shaanxi Patentee before: Xi'an Research Institute Of China Coal Research Institute Address after: 710054 No. 52, Yanta Road, Xi'an, Shaanxi Patentee after: Xi'an Research Institute Of China Coal Research Institute Address before: 710054 No. 52, Yanta Road, Xi'an, Shaanxi Patentee before: Xi'an Branch of China Coal Research Institute |
|
CX01 | Expiry of patent term |
Granted publication date: 20091230 |
|
CX01 | Expiry of patent term |