GAS LIFT SYSTEMS,申请号GB19870011724-传众专利搜索

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发明名称	GAS LIFT SYSTEMS
摘要
申请公布号	GB8711724(D0)	申请公布日期	1987.06.24
申请号	GB19870011724	申请日期	1987.05.19
申请人	BECHTEL LTD	发明人
分类号	E21B43/12;F04F1/18	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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