Valve reseating tool,申请号US19340718968-传众专利搜索

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发明名称	Valve reseating tool
摘要
申请公布号	US2044938(A)	申请公布日期	1936.06.23
申请号	US19340718968	申请日期	1934.04.04
申请人	FERRELL LEWIS D	发明人	FERRELL LEWIS D.
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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