Overshot retrieving tool,申请号US19650441976-传众专利搜索

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发明名称	Overshot retrieving tool
摘要
申请公布号	US3393002(A)	申请公布日期	1968.07.16
申请号	US19650441976	申请日期	1965.03.23
申请人	BROWN J. WOOLLEY	发明人	WOOLLEY BROWN J.
分类号	E21B31/18	主分类号	E21B31/18
代理机构		代理人
主权项
地址

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