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经营范围
发明名称
TEACHING DEVICE
摘要
申请公布号
SU1024963(A2)
申请公布日期
1983.06.23
申请号
SU19823399255
申请日期
1982.02.23
申请人
ALEKSANDROV VLADIMIR K,SU;ZUBKO VIKTOR,SU;IGNATEV ALEKSANDR N,SU
发明人
ALEKSANDROV VLADIMIR K,SU;ZUBKO VIKTOR I,SU;IGNATEV ALEKSANDR N,SU
分类号
G09B7/02;(IPC1-7):G09B7/02
主分类号
G09B7/02
代理机构
代理人
主权项
地址
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