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发明名称
METHOD OF REINFORCEMENT OF SUBTERRANEAN DRILLS
摘要
申请公布号
CS194451(B1)
申请公布日期
1979.12.31
申请号
CS19770004551
申请日期
1977.07.08
申请人
MICKA,ZBYNEK,CS;SNUPAREK,RICHARD,CS;KUCERA,MAX,CS
发明人
MICKA,ZBYNEK,CS;SNUPAREK,RICHARD,CS;KUCERA,MAX,CS
分类号
E21D11/04;(IPC1-7):E21D11/04
主分类号
E21D11/04
代理机构
代理人
主权项
地址
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