CN202083341U - 智能预警式顶板安全检测装置 - Google Patents
智能预警式顶板安全检测装置 Download PDFInfo
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- CN202083341U CN202083341U CN2011201335396U CN201120133539U CN202083341U CN 202083341 U CN202083341 U CN 202083341U CN 2011201335396 U CN2011201335396 U CN 2011201335396U CN 201120133539 U CN201120133539 U CN 201120133539U CN 202083341 U CN202083341 U CN 202083341U
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- top plate
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Application Number | Priority Date | Filing Date | Title |
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CN2011201335396U CN202083341U (zh) | 2011-04-29 | 2011-04-29 | 智能预警式顶板安全检测装置 |
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CN2011201335396U CN202083341U (zh) | 2011-04-29 | 2011-04-29 | 智能预警式顶板安全检测装置 |
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CN202083341U true CN202083341U (zh) | 2011-12-21 |
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CN2011201335396U Expired - Fee Related CN202083341U (zh) | 2011-04-29 | 2011-04-29 | 智能预警式顶板安全检测装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102606212A (zh) * | 2012-04-18 | 2012-07-25 | 山东大学 | 矿井隧道塌方报警器 |
CN107228652A (zh) * | 2017-06-15 | 2017-10-03 | 杭州品联科技有限公司 | 具有沉陷报警系统的光伏接地网 |
-
2011
- 2011-04-29 CN CN2011201335396U patent/CN202083341U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102606212A (zh) * | 2012-04-18 | 2012-07-25 | 山东大学 | 矿井隧道塌方报警器 |
CN102606212B (zh) * | 2012-04-18 | 2014-11-26 | 山东大学 | 矿井隧道塌方报警器 |
CN107228652A (zh) * | 2017-06-15 | 2017-10-03 | 杭州品联科技有限公司 | 具有沉陷报警系统的光伏接地网 |
CN107228652B (zh) * | 2017-06-15 | 2020-01-07 | 杭州品联科技有限公司 | 具有沉陷报警系统的光伏接地网 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jincheng Jinli Electric Co., Ltd. Assignor: Shanxi Jincheng Anthracite Mining Industry Group Co., Ltd. Contract record no.: 2014990000506 Denomination of utility model: Intelligent early warning type top plate safety detector Granted publication date: 20111221 License type: Exclusive License Record date: 20140710 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20170429 |
|
CF01 | Termination of patent right due to non-payment of annual fee |