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发明名称
Verfahren und Vorrichtung zum Gewinnen eines Bodenschatzes aus einer Lagerstätte
摘要
申请公布号
DE69615912(D1)
申请公布日期
2001.11.22
申请号
DE19966015912
申请日期
1996.05.08
申请人
JACKSON, DARYL L.
发明人
JACKSON, DARYL L.
分类号
E21B43/263;E21B43/29;E21C37/12;E21C41/16;(IPC1-7):E21B43/29
主分类号
E21B43/263
代理机构
代理人
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地址
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