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发明名称
ROOF BOLT FOR SUPPORTING MINE WORKINGS
摘要
申请公布号
SU1511422(A1)
申请公布日期
1989.09.30
申请号
SU19874184400
申请日期
1987.01.19
申请人
GRISHCHUK ANATOLIJ V,SU;SHISHKO VADIM,SU;SEMENIJ ANATOLIJ YU,SU;BADAEV VYACHESLAV YU,SU;BUFALOV VLADIMIR V,SU
发明人
GRISHCHUK ANATOLIJ V,SU;SHISHKO VADIM I,SU;SEMENIJ ANATOLIJ YU,SU;BADAEV VYACHESLAV YU,SU;BUFALOV VLADIMIR V,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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