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发明名称
DEVICE FOR TRAINING IN READING
摘要
申请公布号
SU739627(A1)
申请公布日期
1980.06.05
申请号
SU19772555836
申请日期
1977.12.16
申请人
RYKOVA ELENA A,SU;KHUDOBORODOV NIKOLAJ V,SU;POLUEKTOV YURIJ M,SU
发明人
RYKOVA ELENA A,SU;KHUDOBORODOV NIKOLAJ V,SU;POLUEKTOV YURIJ M,SU
分类号
G09B17/00;(IPC1-7):G09B17/00
主分类号
G09B17/00
代理机构
代理人
主权项
地址
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