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发明名称
RADIO TELEGRAPH OPERATOR'S TRAINER
摘要
申请公布号
SU1336086(A1)
申请公布日期
1987.09.07
申请号
SU19864059306
申请日期
1986.04.21
申请人
KUDRYASHOV NIKOLAJ,SU;POPENKO VLADIMIR S,SU
发明人
KUDRYASHOV NIKOLAJ I,SU;POPENKO VLADIMIR S,SU
分类号
G09B19/26
主分类号
G09B19/26
代理机构
代理人
主权项
地址
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