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经营范围
发明名称
MECHANICS TEACHING DEVICE
摘要
申请公布号
SU871179(A2)
申请公布日期
1981.10.07
申请号
SU19792845776
申请日期
1979.11.30
申请人
VORONEZHSKIJ G UNIV IM. LENINSKOGO KOMSOMOLA
发明人
LISTROV ADOLF T,SU;KRUTOV ALEKSEJ V,SU;VERVEJKO NIKOLAJ D,SU
分类号
G09B23/10;(IPC1-7):G09B23/10
主分类号
G09B23/10
代理机构
代理人
主权项
地址
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