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发明名称
MINE WATER DRAINING PLANT
摘要
申请公布号
SU827810(A1)
申请公布日期
1981.05.07
申请号
SU19792775824
申请日期
1979.06.05
申请人
VNII GORNOJ MEKHANIKI IM.M.M.FEDOROVA
发明人
BOGOMOLOV NIKOLAJ A,SU;VOLOVIK EVGENIJ A,SU;GASYUKEVICH VITALIJ K,SU
分类号
E21F17/00;E02D19/00;E02D19/18;(IPC1-7):E21F17/00
主分类号
E21F17/00
代理机构
代理人
主权项
地址
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