Apparatus for control of fluidoperated pumps,申请号US19580774249-传众专利搜索

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发明名称	Apparatus for control of fluidoperated pumps
摘要
申请公布号	US2993447(A)	申请公布日期	1961.07.25
申请号	US19580774249	申请日期	1958.11.17
申请人	PHILLIPS PETROLEUM COMPANY	发明人	MARQUIS DUANE E.
分类号	F04B47/04	主分类号	F04B47/04
代理机构		代理人
主权项
地址

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