DOUBLE TAPERED GUIDANCE METHOD,申请号USD3485051-传众专利搜索

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发明名称	DOUBLE TAPERED GUIDANCE METHOD
摘要
申请公布号	US3485051(A)	申请公布日期	1969.12.23
申请号	USD3485051	申请日期	1967.05.22
申请人	REGAN FORGE & ENG. CO.	发明人	BRUCE J. WATKINS
分类号	E21B33/038;(IPC1-7):E02D25/00;B23Q11/02;E21B41/00	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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