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发明名称
MINE FAN UNIT OF MAIN VENTILATION
摘要
申请公布号
SU1578361(A1)
申请公布日期
1990.07.15
申请号
SU19884452502
申请日期
1988.07.04
申请人
KUZBASSKIJ POLT INSTITUT
发明人
GIMELSHEJN LEONID YA,SU;FREJDLIKH ILYA S,SU
分类号
E21F1/08
主分类号
E21F1/08
代理机构
代理人
主权项
地址
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