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经营范围
发明名称
Frequency modulator
摘要
申请公布号
GB563205(A)
申请公布日期
1944.08.02
申请号
GB19430006571
申请日期
1943.04.23
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H03C3/26
主分类号
H03C3/26
代理机构
代理人
主权项
地址
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