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发明名称
VERFAHREN ZUR VERHINDERUNG UND BEKAEMPFUNG VON KOHLEBRAENDEN IN RUTSCHUNGSGEBIETEN
摘要
申请公布号
DD220093(A1)
申请公布日期
1985.03.20
申请号
DD19830258312
申请日期
1983.12.21
申请人
VEB BRAUNKOHLENWERK OBERLAUSITZ,DD
发明人
KOTHE,ALFRED,DD;DAEHNERT,RAINER,DD
分类号
E21F5/00;(IPC1-7):E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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