Valve,申请号US19550537182-传众专利搜索

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法人/股东/高管

发明名称	Valve
摘要
申请公布号	US2938543(A)	申请公布日期	1960.05.31
申请号	US19550537182	申请日期	1955.09.28
申请人	W. H. NICHOLSON & COMPANY	发明人	JOHNSON HAROLD L.
分类号	F15B13/04;F16K11/074	主分类号	F15B13/04
代理机构		代理人
主权项
地址

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