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经营范围
发明名称
SYSTEM FOR TRAINING TELEGRAPH OPERATORS
摘要
申请公布号
SU1179418(A1)
申请公布日期
1985.09.15
申请号
SU19843711974
申请日期
1984.03.20
申请人
BURMANTOV YURIJ E,SU;KUDRYASHOV NIKOLAJ,SU
发明人
BURMANTOV YURIJ E,SU;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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