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经营范围
发明名称
Automatic radio tuner
摘要
申请公布号
US2067992(A)
申请公布日期
1937.01.19
申请号
US19280316090
申请日期
1928.10.30
申请人
RADIO CORPORATION
发明人
THOMAS ADOLPH A.
分类号
H03J5/08
主分类号
H03J5/08
代理机构
代理人
主权项
地址
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