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发明名称
铁路用手信号灯(4)
摘要
申请公布号
CN3521562D
申请公布日期
2006.04.19
申请号
CN200430119634.6
申请日期
2004.12.20
申请人
王晓东;李洪义
发明人
王晓东;李洪义
分类号
26-02
主分类号
26-02
代理机构
沈阳东大专利代理有限公司
代理人
梁 焱
主权项
地址
110004辽宁省沈阳市和平区文体西路76号
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