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发明名称
EDUCATIONAL DEVICE ON THE STRENGTH OF MATERIALS
摘要
申请公布号
SU989577(A1)
申请公布日期
1983.01.15
申请号
SU19813306805
申请日期
1981.06.26
申请人
BARANOV LEONID N,SU;KUZNETSOV IVAN N,SU
发明人
BARANOV LEONID N,SU;KUZNETSOV IVAN N,SU
分类号
G09B23/08;(IPC1-7):G09B23/08
主分类号
G09B23/08
代理机构
代理人
主权项
地址
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