Universal valve seating and finishing adapter,申请号US19620172729-传众专利搜索

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发明名称	Universal valve seating and finishing adapter
摘要
申请公布号	US3116571(A)	申请公布日期	1964.01.07
申请号	US19620172729	申请日期	1962.02.12
申请人	RIGGAN ROLAND E;EVANS GERALD C	发明人	RIGGAN ROLAND E.;EVANS GERALD C.
分类号	B24B15/08	主分类号	B24B15/08
代理机构		代理人
主权项
地址

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