CN207347025U - 海洋吊机智能安全区域保护装置 - Google Patents
海洋吊机智能安全区域保护装置 Download PDFInfo
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- CN207347025U CN207347025U CN201721307053.3U CN201721307053U CN207347025U CN 207347025 U CN207347025 U CN 207347025U CN 201721307053 U CN201721307053 U CN 201721307053U CN 207347025 U CN207347025 U CN 207347025U
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CN201721307053.3U CN207347025U (zh) | 2017-10-11 | 2017-10-11 | 海洋吊机智能安全区域保护装置 |
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CN201721307053.3U CN207347025U (zh) | 2017-10-11 | 2017-10-11 | 海洋吊机智能安全区域保护装置 |
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TR01 | Transfer of patent right |
Effective date of registration: 20201225 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: BAOJI OILFIELD MACHINERY Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co.,Ltd. Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20211011 |
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CF01 | Termination of patent right due to non-payment of annual fee |