ACTUATING MEANS FOR WELL TOOLS,申请号USD3446280-传众专利搜索

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发明名称	ACTUATING MEANS FOR WELL TOOLS
摘要
申请公布号	US3446280(A)	申请公布日期	1969.05.27
申请号	USD3446280	申请日期	1967.10.26
申请人	SCHLUMBERGER TECHNOLOGY CORP.	发明人	BENJAMIN P. NUTTER
分类号	E21B23/00;(IPC1-7):E21B23/00;E21B33/12	主分类号	E21B23/00
代理机构		代理人
主权项
地址

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