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发明名称
AUTOMATED CLASS FOR TEACHING AND EXAMINING PUPILS
摘要
申请公布号
SU881814(A2)
申请公布日期
1981.11.15
申请号
SU19782603666
申请日期
1978.04.11
申请人
KB POLT I IM.V.V.KUJBYSHEVA
发明人
MOROZOV VITALIJ K,SU;VELIKANOV VALERIJ S,SU;DEGTYAREV VLADIMIR A,SU
分类号
G09B7/07;(IPC1-7):G09B7/07
主分类号
G09B7/07
代理机构
代理人
主权项
地址
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