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经营范围
发明名称
复读机(ET-2007)
摘要
申请公布号
CN3240136D
申请公布日期
2002.06.05
申请号
CN01354482.9
申请日期
2001.12.10
申请人
深圳市学之友教学仪器有限公司
发明人
苏子欣
分类号
14-01
主分类号
14-01
代理机构
深圳市中知专利代理有限公司
代理人
成义生
主权项
地址
518001广东省深圳市罗湖区人民北路3146号永通大厦1509-1511
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