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发明名称
TRAIN APPROACHING ANNUNCIATOR
摘要
申请公布号
RU2071429(C1)
申请公布日期
1997.01.10
申请号
RU19930036200
申请日期
1993.07.13
申请人
GRACHEV VLADIMIR YUREVICH
发明人
GRACHEV VLADIMIR YU;ARATEN SAMUIL M;ZADOROZHNYJ LEONID I;IGNATEV ALEKSANDR P;LYALIN ALEKSANDR I;SHARADZE OMARI KH
分类号
B61L23/06;(IPC1-7):B61L23/06
主分类号
B61L23/06
代理机构
代理人
主权项
地址
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