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发明名称
FACILITY FOR EFFECTING ENERGY EXCHANGE BETWEEN THE GROUND AND AN ENERGY EXCHANGER
摘要
申请公布号
EP0755497(B1)
申请公布日期
1999.01.13
申请号
EP19950915736
申请日期
1995.05.04
申请人
GEOHIL AG
发明人
HILDEBRAND, HANS
分类号
E21B36/00;E21B43/04;E21B43/08;(IPC1-7):F24J3/08
主分类号
E21B36/00
代理机构
代理人
主权项
地址
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