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发明名称
SHORT WAVE RADIO APPARATUS
摘要
申请公布号
CA334181(A)
申请公布日期
1933.07.18
申请号
CAD334181
申请日期
申请人
THE RADIO CORPORATION OF AMERICA
发明人
FRED. HUTTON KROGER
分类号
主分类号
代理机构
代理人
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地址
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