Valve-operating mechanism,申请号US19270208223-传众专利搜索

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发明名称	Valve-operating mechanism
摘要
申请公布号	US1748732(A)	申请公布日期	1930.02.25
申请号	US19270208223	申请日期	1927.07.25
申请人	MARQUETTE TOOL & MFG. CO.	发明人	RODE FREDRICH J.
分类号	F16K31/48	主分类号	F16K31/48
代理机构		代理人
主权项
地址

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