CN203518860U - 一种简易的超声波遥控爆破电路 - Google Patents
一种简易的超声波遥控爆破电路 Download PDFInfo
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CN111127868A (zh) * | 2019-12-27 | 2020-05-08 | 中国船舶重工集团有限公司第七一0研究所 | 一种远距离高可靠水声遥控起爆装置 |
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CN111127868A (zh) * | 2019-12-27 | 2020-05-08 | 中国船舶重工集团有限公司第七一0研究所 | 一种远距离高可靠水声遥控起爆装置 |
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Owner name: BEIJING TUNNEL ENGINEERING CO., LTD. Free format text: FORMER OWNER: CHENGDU SIFEIKESI INFORMATION TECHNOLOGY CO., LTD. Effective date: 20141231 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
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Inventor after: Lu Yue Inventor before: Xiao Feng |
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Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 100000 CHAOYANG, BEIJING Free format text: CORRECT: INVENTOR; FROM: XIAO FENG TO: LU YUE |
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Effective date of registration: 20141231 Address after: 100000 Beijing city Chaoyang District East Third Ring Road No. 52 south along main diamond 17C Patentee after: In Beijing Tunnel Engineering Co. Ltd. Address before: 610000 No. 1480, north section of Tianfu Road, Chengdu high tech Zone, Sichuan Patentee before: SFX INFO INTERNATIONAL PTE LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20191102 |
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CF01 | Termination of patent right due to non-payment of annual fee |