Gas-lift pump,申请号US19360108275-传众专利搜索

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发明名称	Gas-lift pump
摘要
申请公布号	US2142484(A)	申请公布日期	1939.01.03
申请号	US19360108275	申请日期	1936.10.29
申请人	PHILLIPS PETROLEUM COMPANY	发明人	JENNINGS GERALD P.
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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