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发明名称
VERFAHREN UND VORRICHTUNG ZUM HERSTELLEN TIEFER ERDSCHLITZE UND DICHTUNGSWAENDE IM LOCKERGEBIRGE
摘要
申请公布号
DD286010(A5)
申请公布日期
1991.01.10
申请号
DD19890331066
申请日期
1989.07.24
申请人
VEB BRAUNKOHLENBOHRUNGEN UND SCHACHTBAU WELZOW,DD
发明人
LANG,REINHARD,DD;KLOSS,MARTINA,DD;SCHUSTER,REINHARD,DD
分类号
E02D17/13;(IPC1-7):E02D17/13
主分类号
E02D17/13
代理机构
代理人
主权项
地址
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