GAS LIFT SYSTEM,申请号USD3482526-传众专利搜索

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发明名称	GAS LIFT SYSTEM
摘要
申请公布号	US3482526(A)	申请公布日期	1969.12.09
申请号	USD3482526	申请日期	1967.11.13
申请人	ESSO PRODUCTION RESEARCH CO.	发明人	ELVIS RICH
分类号	E21B43/12;(IPC1-7):F04F1/08;F04F1/20	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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