CN211819272U - 一种新型海洋液压修井机 - Google Patents
一种新型海洋液压修井机 Download PDFInfo
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- CN211819272U CN211819272U CN202020311175.5U CN202020311175U CN211819272U CN 211819272 U CN211819272 U CN 211819272U CN 202020311175 U CN202020311175 U CN 202020311175U CN 211819272 U CN211819272 U CN 211819272U
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GR01 | Patent grant | ||
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CB03 | Change of inventor or designer information |
Inventor after: Dong Zhenshu Inventor after: Zhang Xingwang Inventor after: Wang Jianbing Inventor after: Sun Fangbo Inventor before: Sun Fangbo |
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CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210514 Address after: 257100 Shengli Industrial Park, Dongying District, Dongying City, Shandong Province Patentee after: Shandong Kerui oil and gas equipment Co.,Ltd. Address before: Room 325, building 1, No.23 Xianhe Road, Dongying District, Dongying City, Shandong Province 257100 Patentee before: Shandong Junke Petroleum Technology Co.,Ltd. |
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TR01 | Transfer of patent right |