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发明名称
电子式铁路单向手信号灯
摘要
申请公布号
CN3260470D
申请公布日期
2002.10.23
申请号
CN02303583.8
申请日期
2002.04.05
申请人
聂菡
发明人
聂菡
分类号
10-06
主分类号
10-06
代理机构
石家庄冀科专利事务所有限公司
代理人
李羡民;刘伟
主权项
地址
050000河北省石家庄市宁北街1号铁运宿舍3-503
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