Valve,申请号US19370130989-传众专利搜索

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发明名称	Valve
摘要
申请公布号	US2101925(A)	申请公布日期	1937.12.14
申请号	US19370130989	申请日期	1937.03.15
申请人	CREAM CITY BOILER COMPANY	发明人	WEBB ARTHUR B.
分类号	F16K31/44	主分类号	F16K31/44
代理机构		代理人
主权项
地址

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