Cup for multi-size pipe string,申请号US19640400536-传众专利搜索

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发明名称	Cup for multi-size pipe string
摘要
申请公布号	US3346267(A)	申请公布日期	1967.10.10
申请号	US19640400536	申请日期	1964.09.30
申请人	HALLIBURTON COMPANY	发明人	FARLEY DAVID L.
分类号	E21B33/126;E21B37/10	主分类号	E21B33/126
代理机构		代理人
主权项
地址

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