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经营范围
发明名称
METHOD OF AIRING OPEN MINES
摘要
申请公布号
SU1122831(A1)
申请公布日期
1984.11.07
申请号
SU19823489899
申请日期
1982.09.07
申请人
DN VNI PK I GORNORUDNOGO MASHINOSTROENIYA
发明人
BORDIJ ANDREJ P,SU;VERBA YURIJ V,SU;KIZHLO LEONID A,SU
分类号
E21F1/00;(IPC1-7):E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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