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发明名称
VERFAHREN ZUM BERGMAENNISCHEN,UNTERTAETIGEN ABBAU VON MINERALIEN
摘要
申请公布号
DD153163(A1)
申请公布日期
1981.12.23
申请号
DD19800223895
申请日期
1980.09.15
申请人
SCHADE,GUENTER,DD;NAWROD,MANFRED,DD;UEBERSCHAR,HANS-JOACHIM,DD;WESSEL,ROLF,DD;GERBER,RUDI,DD
发明人
SCHADE,GUENTER,DD;NAWROD,MANFRED,DD;UEBERSCHAR,HANS-JOACHIM,DD;WESSEL,ROLF,DD;GERBER,RUDI,DD
分类号
E21C27/00;(IPC1-7):E21C27/00
主分类号
E21C27/00
代理机构
代理人
主权项
地址
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