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发明名称
DEVICE FOR CHECKING RELAY UNITS FOR OPERATION
摘要
申请公布号
SU1661029(A1)
申请公布日期
1991.07.07
申请号
SU19884607257
申请日期
1988.11.21
申请人
LE I INZHENEROV ZHELEZNODOROZ
发明人
BABIRENKO ALEKSEJ V,SU;KULTIN VADIM B,SU;PROKOFEV ALEKSANDR A,SU;SAMONINA ELENA V,SU
分类号
B61L19/14
主分类号
B61L19/14
代理机构
代理人
主权项
地址
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