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经营范围
发明名称
Improvements in telegraphones and paper tape records therefor
摘要
申请公布号
GB650899(A)
申请公布日期
1951.03.07
申请号
GB19480016512
申请日期
1948.06.18
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
G11B5/008
主分类号
G11B5/008
代理机构
代理人
主权项
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