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发明名称
多功能语音计算器
摘要
申请公布号
CN3050389D
申请公布日期
1996.11.06
申请号
CN95318393.9
申请日期
1995.12.25
申请人
方维行
发明人
方维行
分类号
18-01
主分类号
18-01
代理机构
代理人
主权项
地址
100080北京市海淀区海淀路19-1号中成大厦1206房间
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