CN202441410U - 辅助开门装置、风门及通风系统 - Google Patents
辅助开门装置、风门及通风系统 Download PDFInfo
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- CN202441410U CN202441410U CN2012200345658U CN201220034565U CN202441410U CN 202441410 U CN202441410 U CN 202441410U CN 2012200345658 U CN2012200345658 U CN 2012200345658U CN 201220034565 U CN201220034565 U CN 201220034565U CN 202441410 U CN202441410 U CN 202441410U
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- connecting rod
- door
- doorframe
- opening apparatus
- door leaf
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012200345658U CN202441410U (zh) | 2012-02-03 | 2012-02-03 | 辅助开门装置、风门及通风系统 |
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CN2012200345658U CN202441410U (zh) | 2012-02-03 | 2012-02-03 | 辅助开门装置、风门及通风系统 |
Publications (1)
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CN202441410U true CN202441410U (zh) | 2012-09-19 |
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CN2012200345658U Expired - Fee Related CN202441410U (zh) | 2012-02-03 | 2012-02-03 | 辅助开门装置、风门及通风系统 |
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CN (1) | CN202441410U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103243996A (zh) * | 2012-02-03 | 2013-08-14 | 淮南矿业(集团)有限责任公司 | 辅助开门装置、风门及通风系统 |
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2012
- 2012-02-03 CN CN2012200345658U patent/CN202441410U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103243996A (zh) * | 2012-02-03 | 2013-08-14 | 淮南矿业(集团)有限责任公司 | 辅助开门装置、风门及通风系统 |
CN103243996B (zh) * | 2012-02-03 | 2016-04-13 | 淮南矿业(集团)有限责任公司 | 辅助开门装置、风门及通风系统 |
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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: ViewSonic energy (Fukang) Coal Industry Co Ltd Assignor: National Engineering Research Center for Gas Controlling of Pingan Mine Contract record no.: 2013990000576 Denomination of utility model: Auxiliary door opening device, air door and ventilation system Granted publication date: 20120919 License type: Common License Record date: 20130911 |
|
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20170203 |