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发明名称
Frequency modulation system
摘要
申请公布号
US2339608(A)
申请公布日期
1944.01.18
申请号
US19420455016
申请日期
1942.08.17
申请人
GENERAL ELECTRIC COMPANY
发明人
ALVIRA ALFONSO
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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