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发明名称
EDUCATIONAL APPLIANCE ON RADIO ENGINEERING
摘要
申请公布号
RU2003181(C1)
申请公布日期
1993.11.15
申请号
SU19925025838
申请日期
1992.01.28
申请人
DIKAREV VIKTOR I;MARDIN ALEKSEJ V;MEDVEDEV VLADIMIR M
发明人
DIKAREV VIKTOR I;MARDIN ALEKSEJ V;MEDVEDEV VLADIMIR M
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
地址
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