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发明名称
Improvements in frequency modulators for electric signalling
摘要
申请公布号
GB554887(A)
申请公布日期
1943.06.22
申请号
GB19420008531
申请日期
1942.06.22
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;GRESHAM THOMAS THOMPSON
发明人
分类号
H03C3/14
主分类号
H03C3/14
代理机构
代理人
主权项
地址
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