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发明名称
METHOD OF PREPARING RESOURCES OF SEAM DEPOSITS TO MINING
摘要
申请公布号
SU1511392(A1)
申请公布日期
1989.09.30
申请号
SU19864135067
申请日期
1986.06.20
申请人
VNI GEOLOGORAZVEDOCHNYJ I UGOLNYKH MESTOROZHDENIJ
发明人
KORITSKIJ ALEKSANDR A,SU
分类号
主分类号
代理机构
代理人
主权项
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