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发明名称
VERFAHREN ZUR HERSTELLUNG VON VERTIKALEN WASSERFASSUNGSANLAGEN IM LOCKERGESTEIN
摘要
申请公布号
DD222914(A1)
申请公布日期
1985.05.29
申请号
DD19830255896
申请日期
1983.10.24
申请人
VEB BRAUNKOHLENBOHRUNGEN UND SCHACHTBAU WELZOW,DD
发明人
WOLF,ANDREAS,DD;DINGLER,HANS-LUDWIG,DD;ECKART,AXEL,DD;MORGNER,PETER,DD
分类号
E03B3/14;E21B7/18;(IPC1-7):E03B3/14
主分类号
E03B3/14
代理机构
代理人
主权项
地址
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