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发明名称
TRAINING SYSTEM FOR RADIOTELEGRAPH OPERATOR
摘要
申请公布号
SU1229793(A1)
申请公布日期
1986.05.07
申请号
SU19843802170
申请日期
1984.10.09
申请人
KUDRYASHOV NIKOLAJ,SU
发明人
KUDRYASHOV NIKOLAJ I,SU
分类号
G09B19/26;(IPC1-7):G09B19/26
主分类号
G09B19/26
代理机构
代理人
主权项
地址
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