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经营范围
发明名称
Improvements in or relating to electrical oscillation generators
摘要
申请公布号
GB493253(A)
申请公布日期
1938.10.05
申请号
GB19380002669
申请日期
1938.01.27
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED
发明人
分类号
H03B5/30
主分类号
H03B5/30
代理机构
代理人
主权项
地址
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