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发明名称
An improved generator for producing a range of predetermined frequencies
摘要
申请公布号
GB543391(A)
申请公布日期
1942.02.24
申请号
GB19400010457
申请日期
1940.06.17
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H03J5/24
主分类号
H03J5/24
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代理人
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