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发明名称
TEACHING-AID DEVICE FOR DEMONSTRATING STRESSES IN RAIL
摘要
申请公布号
SU1223273(A1)
申请公布日期
1986.04.07
申请号
SU19843719360
申请日期
1984.01.06
申请人
KB I INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA
发明人
BULATOV VLADIMIR M,SU;BONDARENKO ALEKSEJ A,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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