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发明名称
Improvements in circuits for automatic frequency-correction
摘要
申请公布号
GB648858(A)
申请公布日期
1951.01.17
申请号
GB19470031854
申请日期
1947.12.02
申请人
PHILIPS ELECTRICAL LIMITED
发明人
分类号
H03J7/04
主分类号
H03J7/04
代理机构
代理人
主权项
地址
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