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发明名称
Radio tuning method
摘要
申请公布号
US1897312(A)
申请公布日期
1933.02.14
申请号
US19290339073
申请日期
1929.02.11
申请人
THE CROSLEY RADIO CORPORATION
发明人
LANGLEY RALPH H.
分类号
H03H5/02
主分类号
H03H5/02
代理机构
代理人
主权项
地址
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