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发明名称
Dictating machine
摘要
申请公布号
USD291882(S1)
申请公布日期
1987.09.15
申请号
US06/677418
申请日期
1984.12.03
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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