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发明名称
VERFAHREN ZUM BRECHEN VON HARTEM MATERIAL, Z.B. GESTEIN, UND VORRICHTUNG ZUR DURCHFUEHRUNG DES VERFAHRENS
摘要
申请公布号
DE2728677(A1)
申请公布日期
1978.01.05
申请号
DE19772728677
申请日期
1977.06.25
申请人
ATLAS COPCO AB
发明人
VOLMAR LAVON,ERIK
分类号
E21C37/06;B05B12/06;B26F3/00;E21C25/60;E21C37/12;E21C45/00;E21D9/10;(IPC1-7):E21C37/12
主分类号
E21C37/06
代理机构
代理人
主权项
地址
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