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发明名称
DEVICE FOR WARNING ABOUT TRAIN APPROACHING SITE OF WORK
摘要
申请公布号
SU1271783(A1)
申请公布日期
1986.11.23
申请号
SU19843793880
申请日期
1984.09.26
申请人
VNII ZHELEZNODOROZHNOGO TRANSPORTA
发明人
BUTAKOV GRIGORIJ V,SU;VAVANOV YURIJ V,SU;KISELEV NIKOLAJ V,SU;SHEVANDIN MIKHAIL A,SU
分类号
B61L23/06
主分类号
B61L23/06
代理机构
代理人
主权项
地址
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