Valve seat reamer,申请号US19230622397-传众专利搜索

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发明名称	Valve seat reamer
摘要
申请公布号	US1764184(A)	申请公布日期	1930.06.17
申请号	US19230622397	申请日期	1923.03.02
申请人	SAVIDGE ALBERT C	发明人	SAVIDGE ALBERT C.
分类号	B23C3/05	主分类号	B23C3/05
代理机构		代理人
主权项
地址

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