CN206801485U - 便捷式隔水管辅助管线试压装置 - Google Patents
便捷式隔水管辅助管线试压装置 Download PDFInfo
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- CN206801485U CN206801485U CN201720559146.9U CN201720559146U CN206801485U CN 206801485 U CN206801485 U CN 206801485U CN 201720559146 U CN201720559146 U CN 201720559146U CN 206801485 U CN206801485 U CN 206801485U
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Effective date of registration: 20201231 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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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: 20171226 Termination date: 20210519 |