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发明名称
METHOD OF SECURING ROCK WITH BOLTS
摘要
申请公布号
SU1553702(A1)
申请公布日期
1990.03.30
申请号
SU19884381184
申请日期
1988.02.22
申请人
VNI PK I PO OSUSHENIYU MESTOROZHDENIJ POLEZNYKH ISKOPAEMYKH, CüE|ôAóÓHÕM ×OPHÕM PA¬OTAM, PÔ¯HôÚHOö ×EOóO×ôô ô MAPKÛEö¯EPCKOMÔ ¯EóÔ
发明人
FATEEV NIKOLAJ T,SU;KARYAKIN VIKTOR F,SU;VLASOV NIKOLAJ G,SU;KARPOV VLADIMIR N,SU;FAJCHUK YURIJ N,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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