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发明名称
平板式可视对讲室内机
摘要
主视图中的GST 字样为产品标志。
申请公布号
CN3365579D
申请公布日期
2004.04.28
申请号
CN200330101889.5
申请日期
2003.10.24
申请人
海湾安全技术股份有限公司
发明人
吴秉杰;边延华
分类号
14-03
主分类号
14-03
代理机构
代理人
主权项
地址
066004 河北省秦皇岛市经济开发区长江东道80号
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