METHOD FOR RECOVERING SUBSURFACE EARTH SUBSTANCES,申请号GB19790031093-传众专利搜索

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发明名称	METHOD FOR RECOVERING SUBSURFACE EARTH SUBSTANCES
摘要
申请公布号	GB2031975(B)	申请公布日期	1982.09.02
申请号	GB19790031093	申请日期	1979.09.07
申请人	HOP CORPORATION	发明人
分类号	E21B43/24;E21B43/30;E21C41/24;(IPC1-7):E21B43/24	主分类号	E21B43/24
代理机构		代理人
主权项
地址

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