CN208179409U - 一种随钻测井仪外筒的安装拆卸工装 - Google Patents
一种随钻测井仪外筒的安装拆卸工装 Download PDFInfo
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- CN208179409U CN208179409U CN201820672162.3U CN201820672162U CN208179409U CN 208179409 U CN208179409 U CN 208179409U CN 201820672162 U CN201820672162 U CN 201820672162U CN 208179409 U CN208179409 U CN 208179409U
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GR01 | Patent grant | ||
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Effective date of registration: 20201104 Address after: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering 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: 20181204 |