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发明名称
Radio apparatus
摘要
申请公布号
US1935355(A)
申请公布日期
1933.11.14
申请号
US19310521101
申请日期
1931.03.09
申请人
RADIO CORPORATION OF AMERICA
发明人
GAUBERT JOHN QUINCY
分类号
H03J1/14
主分类号
H03J1/14
代理机构
代理人
主权项
地址
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