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发明名称
Tuning control mechanism
摘要
申请公布号
US2454789(A)
申请公布日期
1948.11.30
申请号
US19450599908
申请日期
1945.06.16
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
FRINK FREDERICK W.;KAPLAN MURRAY
分类号
H03J1/20;H03J7/32
主分类号
H03J1/20
代理机构
代理人
主权项
地址
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