Control valve for air operated machinery,申请号US19490136007-传众专利搜索

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发明名称	Control valve for air operated machinery
摘要
申请公布号	US2636517(A)	申请公布日期	1953.04.28
申请号	US19490136007	申请日期	1949.12.30
申请人	HUGHES FRANCIS E	发明人	HUGHES FRANCIS E.
分类号	F16K31/122	主分类号	F16K31/122
代理机构		代理人
主权项
地址

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