CN207540439U - 一种预裂爆破用聚能不耦合装药结构 - Google Patents
一种预裂爆破用聚能不耦合装药结构 Download PDFInfo
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Cited By (1)
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CN107957223A (zh) * | 2017-11-22 | 2018-04-24 | 贵州新联爆破工程集团有限公司 | 一种预裂爆破用聚能不耦合装药结构 |
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CN107957223A (zh) * | 2017-11-22 | 2018-04-24 | 贵州新联爆破工程集团有限公司 | 一种预裂爆破用聚能不耦合装药结构 |
CN107957223B (zh) * | 2017-11-22 | 2023-09-19 | 保利新联爆破工程集团有限公司 | 一种预裂爆破用聚能不耦合装药结构 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 550002, 14 floor, Fu Zhong commercial building, No. 102 Xinhua Road, Nanming District, Guiyang, Guizhou. Co-patentee after: THE FOURTH ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. Patentee after: POLY XINLIAN BLASTING ENGINEERING GROUP Co.,Ltd. Address before: 550025 Mengguan, Huaxi District, Guiyang City, Guizhou Province Co-patentee before: THE FOURTH ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. Patentee before: GUIZHOU XINLIAN BLASTING ENGINEERING GROUP Co.,Ltd. |
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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: 20180626 Termination date: 20211122 |