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发明名称
ПЛИТА ПОКРЫТИЯ ДЛЯ ТРАМВАЙНЫХ И ЖЕЛЕЗНОДОРОЖНЫХ ПЕРЕЕЗДОВ
摘要
申请公布号
RU11801(U1)
申请公布日期
1999.11.16
申请号
RU19990113372U
申请日期
1999.07.01
申请人
发明人
分类号
E01C9/04
主分类号
E01C9/04
代理机构
代理人
主权项
地址
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