CN209614012U - 一种扩径机夹送辊用工装 - Google Patents
一种扩径机夹送辊用工装 Download PDFInfo
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Effective date of registration: 20201013 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee after: JULONG STEEL PIPE Co.,Ltd. Address before: 300457 No. second, No. 83, economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee before: JULONG STEEL PIPE Co.,Ltd. |