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发明名称
THRUST ROOF BOLTING FOR SUPPORTING MINE WORKINGS
摘要
申请公布号
SU1247550(A1)
申请公布日期
1986.07.30
申请号
SU19853862138
申请日期
1985.02.25
申请人
KRYMSKIJ RESPUBLIKANSKOGO PI "UKRZHILREMPROEKT"
发明人
LESHCHINSKIJ VLADIMIR Z,SU;KOLOMIJTSEV IVAN E,SU
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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