Hydraulic control valve,申请号US19470722613-传众专利搜索

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发明名称	Hydraulic control valve
摘要
申请公布号	US2506008(A)	申请公布日期	1950.05.02
申请号	US19470722613	申请日期	1947.01.17
申请人	ARPS BRUNO F	发明人	ARPS BRUNO F.
分类号	F15B13/08	主分类号	F15B13/08
代理机构		代理人
主权项
地址

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