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发明名称
VERFAHREN ZUM EINBRINGEN VON ANKERN ZUR FIRSTABSICHERUNG IN BOHRLOCHER SOWIE ANKER ZUR DURCHFUHRUNG DIESES VERFAHRENS
摘要
申请公布号
AT329488(B)
申请公布日期
1976.05.10
申请号
AT19740002574
申请日期
1974.03.28
申请人
ACIERIES REUNIES DE BURBACH-EICH-DUDELANGE SOCIETE ANONYME ARBED, DIVISION DES MINES FRANCAISES
发明人
LIBERT ANDREÖ;FRANCOIS GILBERT
分类号
E21D20/00;E04B9/18;E04C5/12;E21D21/00;F16B35/04;(IPC1-7):E21D21/00
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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