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经营范围
发明名称
TEACHING DEVICE
摘要
申请公布号
SU785888(A1)
申请公布日期
1980.12.07
申请号
SU19792720662
申请日期
1979.02.02
申请人
KI POLT I IM. 50-LETIYA VELIKOJ SOTSIALISTICHESKOJ REVOLYUTSII
发明人
PAVLOVSKIJ VLADIMIR ,SU;KORNEJCHUK VIKTOR ,SU;SOROKO VLADIMIR N,SU;TODOROV GEORGI S,SU;TODOROVA MARGARITA K,SU
分类号
G09B7/00;G09B9/00;(IPC1-7):G09B7/00
主分类号
G09B7/00
代理机构
代理人
主权项
地址
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