WELL TOOL FOR USE IN A TUBULAR STRING,申请号USD3606924-传众专利搜索

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发明名称	WELL TOOL FOR USE IN A TUBULAR STRING
摘要
申请公布号	US3606924(A)	申请公布日期	1971.09.21
申请号	USD3606924	申请日期	1969.01.28
申请人	LYNES INC.	发明人	BILLY C. MALONE
分类号	E21B21/00;E21B21/10;E21B33/127;(IPC1-7):E21B33/12	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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