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发明名称
METHOD FOR PRODUCTION OF AMPULES FOR SUPPORTING MINE WORKINGS
摘要
申请公布号
SU1652590(A1)
申请公布日期
1991.05.30
申请号
SU19894702746
申请日期
1989.06.06
申请人
VNII GORNOJ GEOMEKHANIKI MARK
发明人
REVA VLADIMIR N,SU;NEJMAN LEONID K,SU;MELNIKOV OLEG I,SU;SOKOLOV NIKOLAJ V,SU
分类号
E21D20/00
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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