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发明名称
Improvements relating to the generation of frequency modulated electrical oscillations
摘要
申请公布号
GB546132(A)
申请公布日期
1942.06.29
申请号
GB19410001998
申请日期
1941.02.13
申请人
A.C. COSSOR LIMITED;DAVID ARTHUR BELL
发明人
分类号
H03C3/40
主分类号
H03C3/40
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代理人
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