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发明名称
Tuning device for use in radio receivers having push-buttons
摘要
申请公布号
US2820366(A)
申请公布日期
1958.01.21
申请号
US19550515495
申请日期
1955.06.14
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
SPAKMAN GEERT
分类号
H03J5/12
主分类号
H03J5/12
代理机构
代理人
主权项
地址
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