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发明名称
EDUCATIONAL DEVICE
摘要
申请公布号
RU2012066(C1)
申请公布日期
1994.04.30
申请号
SU19914936623
申请日期
1991.05.16
申请人
VOENNYJ INZHENERNO-KOSMICHESKIJ INSTITUT IM.A.F.MOZHAJSKOGO
发明人
IVANOV VIKTOR P;PANARIN OLEG YU;LYAMIN ALEKSANDR E;IVANOV LEONID D
分类号
G09B23/18;(IPC1-7):G09B23/18
主分类号
G09B23/18
代理机构
代理人
主权项
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