CN203430553U - 立井缓冲防爆门 - Google Patents
立井缓冲防爆门 Download PDFInfo
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- CN203430553U CN203430553U CN201320507212.XU CN201320507212U CN203430553U CN 203430553 U CN203430553 U CN 203430553U CN 201320507212 U CN201320507212 U CN 201320507212U CN 203430553 U CN203430553 U CN 203430553U
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CN201320507212.XU CN203430553U (zh) | 2013-08-20 | 2013-08-20 | 立井缓冲防爆门 |
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CN203430553U true CN203430553U (zh) | 2014-02-12 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104074544A (zh) * | 2014-06-18 | 2014-10-01 | 河南理工大学 | 立风井双门式防爆系统 |
CN108533318A (zh) * | 2018-04-02 | 2018-09-14 | 扬州市江隆矿业设备有限公司 | 一种大直径立井飞翅式防爆门 |
CN111561349A (zh) * | 2020-06-16 | 2020-08-21 | 詹继勇 | 一种矿区立排风井用自复式防爆门 |
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2013
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104074544A (zh) * | 2014-06-18 | 2014-10-01 | 河南理工大学 | 立风井双门式防爆系统 |
CN104074544B (zh) * | 2014-06-18 | 2017-03-29 | 河南理工大学 | 立风井双门式防爆系统 |
CN108533318A (zh) * | 2018-04-02 | 2018-09-14 | 扬州市江隆矿业设备有限公司 | 一种大直径立井飞翅式防爆门 |
CN111561349A (zh) * | 2020-06-16 | 2020-08-21 | 詹继勇 | 一种矿区立排风井用自复式防爆门 |
CN111561349B (zh) * | 2020-06-16 | 2022-02-25 | 詹继勇 | 一种矿区立排风井用自复式防爆门 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Deng Wenpu Inventor after: Li Yong Inventor after: HUANGFU DAOSHUO Inventor after: Ding Longhai Inventor after: Yu Jianxin Inventor after: Zhang Yanyang Inventor after: Zhu Jinyu Inventor after: Wu Xueming Inventor after: Chen Liqiang Inventor before: Deng Wenpu Inventor before: Li Yong Inventor before: HUANGFU DAOSHUO |
|
CB03 | Change of inventor or designer information | ||
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DENG WENPU LI YONG HUANGPU DAOSHUO TO: DENG WENPU LI YONG HUANGPU DAOSHUO DING LONGHAI YU JIANXIN ZHANG YANYANG ZHU JINYU WU XUEMING CHEN LIQIANG |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140820 |
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EXPY | Termination of patent right or utility model |