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发明名称
AUSBAURAHMEN FUER DEN GRUBENAUSBAU
摘要
申请公布号
DE2259270(A1)
申请公布日期
1973.06.28
申请号
DE19722259270
申请日期
1972.12.04
申请人
OESTERREICHISCH-ALPINE MONTANGESELLSCHAFT, WIEN
发明人
SIGOTT, SIEGFRIED, DIPL.-ING. DR.;ZITZ, ALFRED, ING.
分类号
E21D17/00;E21D17/04;E21D23/06;E21F15/04;E21F17/02;(IPC1-7):E21D17/03
主分类号
E21D17/00
代理机构
代理人
主权项
地址
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