Valve device,申请号US19460662312-传众专利搜索

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发明名称	Valve device
摘要
申请公布号	US2584436(A)	申请公布日期	1952.02.05
申请号	US19460662312	申请日期	1946.04.15
申请人	A. S. VAN DENBURGH	发明人	DONALDSON JOSEPH G.
分类号	F16K24/02	主分类号	F16K24/02
代理机构		代理人
主权项
地址

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