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经营范围
发明名称
ULTRASONIC RAIL DETECTOR BED
摘要
申请公布号
SU1730322(A1)
申请公布日期
1992.04.30
申请号
SU19894793578
申请日期
1989.12.27
申请人
VNII ZHELEZNODOROZHNOGO TRANSPORTA
发明人
ALEKSEEV ALEKSANDR V,SU;POROSHIN VLADIMIR L,SU;SHCHERBAKOV KONSTANTIN F,SU;URBAKH VLADIMIR I,SU;ABRAMOV IVAN I,SU
分类号
E01B35/00;B61K9/10
主分类号
E01B35/00
代理机构
代理人
主权项
地址
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