Unidirectional fluid valve,申请号US19870030339-传众专利搜索

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发明名称	Unidirectional fluid valve
摘要
申请公布号	US4934362(A)	申请公布日期	1990.06.19
申请号	US19870030339	申请日期	1987.03.26
申请人	MINNESOTA MINING AND MANUFACTURING COMPANY	发明人	BRAUN, DAVID L.
分类号	A62B9/02;A62B18/10;F16K15/16	主分类号	A62B9/02
代理机构		代理人
主权项
地址

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