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发明名称
METHOD OF FORMING QUALITY OR ORES TO BE MINED
摘要
申请公布号
RU1786268(C)
申请公布日期
1993.01.07
申请号
SU19904889199
申请日期
1990.12.07
申请人
VNI, üPOEKTHÕö ô KOHCTPÔKTOPCKôö ôHCTôTÔT ×OPHO×O ¯EóA ô METAóóÔP×ôô |BETHÕX METAóóOB "×ôüPO|BETMET"
发明人
PENKOVSKIJ IGOR V,SU
分类号
E21C41/22
主分类号
E21C41/22
代理机构
代理人
主权项
地址
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