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发明名称
VERFAHREN ZUR VERRINGERUNG DER GEBIRGSVERFORMUNG AN FIRSTEN UND STOESSEN LANGLEBIGER STRECKEN IM KALIBERGBAU
摘要
申请公布号
DD284939(A5)
申请公布日期
1990.11.28
申请号
DD19890329559
申请日期
1989.06.14
申请人
VEB KOMBINAT KALI,DD
发明人
REINECKE,PETER,DD;HEYNKE,ARMIN,DD;KAMLOT,PETER,DD;SCHAUER,HERBERT,DD;FULDA,DIETRICH,DD;STAEUBERT,AXEL,DD;KUHNERT,DETLEF,DD
分类号
E21C41/20;(IPC1-7):E21C41/08
主分类号
E21C41/20
代理机构
代理人
主权项
地址
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