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发明名称
TEACHING DEVICE
摘要
申请公布号
SU985812(A1)
申请公布日期
1982.12.30
申请号
SU19813318127
申请日期
1981.07.16
申请人
KI POLT I IM.50-LETIYA VELIKOJ SOTSIALISTICHESKOJ REVOLYUTSII
发明人
KORNEJCHUK VIKTOR I,SU;MARKOVSKIJ ALEKSANDR P,SU;SVIRIDOV ALEKSANDR P,SU;SOROKO VLADIMIR 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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Forbindelsesinnretning
