Valve,申请号US19450581257-传众专利搜索

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发明名称	Valve
摘要
申请公布号	US2401129(A)	申请公布日期	1946.05.28
申请号	US19450581257	申请日期	1945.03.06
申请人	ARNOLD EUGENE S	发明人	ARNOLD EUGENE S.
分类号	F16K21/04	主分类号	F16K21/04
代理机构		代理人
主权项
地址

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