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发明名称
TEACHING-AID DEVICE ON ELECTRICAL ENGINEERING
摘要
申请公布号
SU1287218(A1)
申请公布日期
1987.01.30
申请号
SU19853647985
申请日期
1985.09.30
申请人
LE I VODNOGO TRANSP
发明人
KRASNOV IVAN A,SU;KUZMIN PETR P,SU;SHOSHMIN VLADIMIR A,SU;PYATLIN VASILIJ V,SU;SHEPTUNOV OLEG A,SU
分类号
G09B23/18
主分类号
G09B23/18
代理机构
代理人
主权项
地址
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