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发明名称
VENTILATION PLANT
摘要
申请公布号
SU905490(A1)
申请公布日期
1982.02.15
申请号
SU19792852361
申请日期
1979.12.12
申请人
VNII GORNOJ MEKHANIKI IM.M.M.FEDOROVA
发明人
DENISOV IVAN S,SU;BABAK GRIGORIJ A,SU
分类号
E21F1/08;(IPC1-7):E21F1/08
主分类号
E21F1/08
代理机构
代理人
主权项
地址
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