OIL WELL GAS LIFT TECHNIQUE,申请号GB19800004676-传众专利搜索

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发明名称	OIL WELL GAS LIFT TECHNIQUE
摘要
申请公布号	GB2055978(B)	申请公布日期	1983.07.06
申请号	GB19800004676	申请日期	1980.02.12
申请人	KALINA A I	发明人
分类号	E21B43/12;E21B43/34;(IPC1-7):F04F1/20	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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