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发明名称
VERBESSERTE MASCHINE FUER DAS GRABEN VON STRECKEN, TUNNELN U.DGL. IN WEICHEM BIS SEHR HARTEN GESTEIN
摘要
申请公布号
DE2810905(A1)
申请公布日期
1978.10.05
申请号
DE19782810905
申请日期
1978.03.14
申请人
LEGRAND,MARIE GHISLAIN JOSEPH
发明人
JOSEPH LEGRAND,MARIE GHISLAIN
分类号
E21D9/10;(IPC1-7):E21D9/10
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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