CN212919174U - 一种旋转导向脉冲发电机组件拆卸工装 - Google Patents
一种旋转导向脉冲发电机组件拆卸工装 Download PDFInfo
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Effective date of registration: 20220419 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: CHINA NATIONAL PETROLEUM Corp. Patentee before: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Patentee before: DRILLING & PRODUCTION ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF CNPC CHUANQING DRILLING EXPLORATION Co. |