Apparatus for preventing backflow of liquid,申请号US19470784837-传众专利搜索

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发明名称	Apparatus for preventing backflow of liquid
摘要
申请公布号	US2586942(A)	申请公布日期	1952.02.26
申请号	US19470784837	申请日期	1947.11.08
申请人	GROVE REGULATOR COMPANY	发明人	GROVE MARVIN H.
分类号	E03C1/10;F16K15/14	主分类号	E03C1/10
代理机构		代理人
主权项
地址

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