CN206280720U - 一种井架低位安装和拆卸用防坠落装置 - Google Patents
一种井架低位安装和拆卸用防坠落装置 Download PDFInfo
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- CN206280720U CN206280720U CN201620945016.4U CN201620945016U CN206280720U CN 206280720 U CN206280720 U CN 206280720U CN 201620945016 U CN201620945016 U CN 201620945016U CN 206280720 U CN206280720 U CN 206280720U
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111847190A (zh) * | 2019-04-30 | 2020-10-30 | 南京梅山冶金发展有限公司 | 一种矿井提升机尾绳监控装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111847190A (zh) * | 2019-04-30 | 2020-10-30 | 南京梅山冶金发展有限公司 | 一种矿井提升机尾绳监控装置 |
CN111847190B (zh) * | 2019-04-30 | 2022-04-12 | 南京宝地梅山产城发展有限公司 | 一种矿井提升机尾绳监控装置 |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180726 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: Drilling well three companies of Central Plains petroleum works Co., Ltd of China Petrochemical Industry Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD. Address before: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee before: Drilling well three companies of Central Plains petroleum works Co., Ltd of China Petrochemical Industry Patentee before: SINOPEC OILFIELD SERVICE CORPORATION |
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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: 20170627 Termination date: 20200826 |