CN201218217Y - 矿用隔爆兼本质安全型风机自动调速装置 - Google Patents
矿用隔爆兼本质安全型风机自动调速装置 Download PDFInfo
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- CN201218217Y CN201218217Y CNU200820098554XU CN200820098554U CN201218217Y CN 201218217 Y CN201218217 Y CN 201218217Y CN U200820098554X U CNU200820098554X U CN U200820098554XU CN 200820098554 U CN200820098554 U CN 200820098554U CN 201218217 Y CN201218217 Y CN 201218217Y
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CNU200820098554XU CN201218217Y (zh) | 2008-06-16 | 2008-06-16 | 矿用隔爆兼本质安全型风机自动调速装置 |
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CNU200820098554XU CN201218217Y (zh) | 2008-06-16 | 2008-06-16 | 矿用隔爆兼本质安全型风机自动调速装置 |
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CN201218217Y true CN201218217Y (zh) | 2009-04-08 |
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CNU200820098554XU Expired - Fee Related CN201218217Y (zh) | 2008-06-16 | 2008-06-16 | 矿用隔爆兼本质安全型风机自动调速装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106773989A (zh) * | 2016-12-31 | 2017-05-31 | 太重煤机有限公司 | 一种机载式隔爆兼本质安全型甲烷断电仪 |
CN110886619A (zh) * | 2018-09-10 | 2020-03-17 | 上海颐坤自动化控制设备有限公司 | 自动排瓦斯矿用本安控制装置 |
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2008
- 2008-06-16 CN CNU200820098554XU patent/CN201218217Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106773989A (zh) * | 2016-12-31 | 2017-05-31 | 太重煤机有限公司 | 一种机载式隔爆兼本质安全型甲烷断电仪 |
CN110886619A (zh) * | 2018-09-10 | 2020-03-17 | 上海颐坤自动化控制设备有限公司 | 自动排瓦斯矿用本安控制装置 |
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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 SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
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CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute |
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CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20160616 |