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经营范围
发明名称
TEACHING DEVICE
摘要
申请公布号
SU862171(A1)
申请公布日期
1981.09.07
申请号
SU19792860608
申请日期
1979.12.26
申请人
KI POLT I IM.50-LETIYA VELIKOJ SOTSIALISTICHESKOJ REVOLYUTSII
发明人
KORNEJCHUK VIKTOR I,SU;SLIPCHENKO VLADIMIR G,SU;KUTAS VITALIJ G,SU;PLYUSNOV MIKHAIL V,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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