Fluid-operated diaphragm valve,申请号US19570689148-传众专利搜索

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发明名称	Fluid-operated diaphragm valve
摘要
申请公布号	US2931386(A)	申请公布日期	1960.04.05
申请号	US19570689148	申请日期	1957.10.09
申请人	UNITED STATES STEEL CORPORATION	发明人	BOEHLER ROBERT E.
分类号	F16K7/07	主分类号	F16K7/07
代理机构		代理人
主权项
地址

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