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发明名称
Radio tuning control
摘要
申请公布号
US2108335(A)
申请公布日期
1938.02.15
申请号
US19360106841
申请日期
1936.10.21
申请人
HEDGER ALBERT E
发明人
HEDGER ALBERT E.
分类号
H03J1/08
主分类号
H03J1/08
代理机构
代理人
主权项
地址
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