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发明名称
BERAEUMVORRICHTUNG, INSBESONDERE FUER GESTEINSFIRSTEN IM BERGBAU, AUF UNTERIRDISCHEN BAUSTELLEN ODER DERGLEICHEN.
摘要
申请公布号
DE3866071(D1)
申请公布日期
1991.12.12
申请号
DE19883866071
申请日期
1988.07.26
申请人
SOREIS, VELIZY VILLACOUBLAY, FR
发明人
PRADELLE, BERNARD, F-87100 LANDOUGE LIMOGES, FR
分类号
E21C37/22;E21C37/24;(IPC1-7):E21C37/22
主分类号
E21C37/22
代理机构
代理人
主权项
地址
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