CN201654253U - 一种钻孔测深仪 - Google Patents
一种钻孔测深仪 Download PDFInfo
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- CN201654253U CN201654253U CN2010201820274U CN201020182027U CN201654253U CN 201654253 U CN201654253 U CN 201654253U CN 2010201820274 U CN2010201820274 U CN 2010201820274U CN 201020182027 U CN201020182027 U CN 201020182027U CN 201654253 U CN201654253 U CN 201654253U
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CN2010201820274U CN201654253U (zh) | 2010-05-06 | 2010-05-06 | 一种钻孔测深仪 |
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CN2010201820274U CN201654253U (zh) | 2010-05-06 | 2010-05-06 | 一种钻孔测深仪 |
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CN201654253U true CN201654253U (zh) | 2010-11-24 |
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CN2010201820274U Expired - Lifetime CN201654253U (zh) | 2010-05-06 | 2010-05-06 | 一种钻孔测深仪 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101833120A (zh) * | 2010-05-06 | 2010-09-15 | 煤炭科学研究总院西安研究院 | 一种钻孔测深仪 |
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- 2010-05-06 CN CN2010201820274U patent/CN201654253U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101833120A (zh) * | 2010-05-06 | 2010-09-15 | 煤炭科学研究总院西安研究院 | 一种钻孔测深仪 |
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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 | ||
CX01 | Expiry of patent term |
Granted publication date: 20101124 |