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经营范围
发明名称
汉语拼音学器
摘要
申请公布号
CN3024033D
申请公布日期
1994.03.16
申请号
CN93300617.9
申请日期
1993.02.08
申请人
陈建新
发明人
陈建新
分类号
19-07
主分类号
19-07
代理机构
代理人
主权项
地址
230011安徽省合肥市繁昌路102号合肥无线电二厂
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