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发明名称
Improvements in and relating to methods of and apparatus for frequency modulation
摘要
申请公布号
GB638368(A)
申请公布日期
1950.06.07
申请号
GB19470013559
申请日期
1947.05.20
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01J25/50;H03C3/32
主分类号
H01J25/50
代理机构
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