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发明名称
MINE REINFORCEMENT
摘要
申请公布号
CS208168(B2)
申请公布日期
1981.08.31
申请号
CS19740002821
申请日期
1974.04.19
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA,DE
发明人
BACKER,KUNIBERT,DE;PLEVAK,LUBOMIR,DE;HOELKEN,NORBERT,DE;WOJACZEK,EGON,DE
分类号
E21D23/00;E21D23/04;E21D23/08;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
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