UN METODO DE FORMAR UN TRAMO DE SARTA DE TUBERIAS DE POZO.,申请号ES19160003960-传众专利搜索

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发明名称	UN METODO DE FORMAR UN TRAMO DE SARTA DE TUBERIAS DE POZO.
摘要
申请公布号	ES396016(A3)	申请公布日期	1975.02.16
申请号	ES19160003960	申请日期	1971.10.15
申请人	ESSO PRODUCTION RESEARCH COMPANY	发明人
分类号	E21B;(IPC1-7):21B/	主分类号	E21B
代理机构		代理人
主权项
地址

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