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经营范围
发明名称
Improvements in or relating to dictating machines
摘要
申请公布号
GB601159(A)
申请公布日期
1948.04.29
申请号
GB19450008208
申请日期
1945.04.03
申请人
THE SOUNDSCRIBER CORPORATION
发明人
分类号
G11B19/02;G11B19/16
主分类号
G11B19/02
代理机构
代理人
主权项
地址
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