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发明名称
Nachsetzsteuerung fuer den Strebausbau
摘要
申请公布号
DE3546278(C1)
申请公布日期
1987.07.02
申请号
DE19853546278
申请日期
1985.12.28
申请人
BERGWERKSVERBAND GMBH, 4300 ESSEN, DE
发明人
GRAEWE, FRIEDRICH, DIPL.-ING., 4270 IONTEN, DE
分类号
E21D23/26;(IPC1-7):E21D23/16
主分类号
E21D23/26
代理机构
代理人
主权项
地址
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