CN214787318U - 一种自动抽油机压紧机构 - Google Patents
一种自动抽油机压紧机构 Download PDFInfo
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- CN214787318U CN214787318U CN202120142799.3U CN202120142799U CN214787318U CN 214787318 U CN214787318 U CN 214787318U CN 202120142799 U CN202120142799 U CN 202120142799U CN 214787318 U CN214787318 U CN 214787318U
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Effective date of registration: 20230420 Address after: 100000 22 Chaoyangmen North Street, Chaoyang District, Beijing. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC EAST CHINA OIL & GAS COMPANY Patentee after: TAIZHOU OIL PRODUCTION PLANT, CHINA PETROLEUM & CHEMICAL CORPORATION EAST CHINA OIL & GAS CO. Address before: 225508 Zhoucheng oilfield, Qintong Town, Jiangyan District, Taizhou City, Jiangsu Province Patentee before: Jiang Shuai Patentee before: Yin Jin |
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