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经营范围
发明名称
Frequency modulated pulse signalling
摘要
申请公布号
GB562422(A)
申请公布日期
1944.06.30
申请号
GB19430003596
申请日期
1943.03.04
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H03K9/00;H04B14/02
主分类号
H03K9/00
代理机构
代理人
主权项
地址
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