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经营范围
发明名称
Improvements in or connected with trimmers or condensers for radio receivers and apparatus
摘要
申请公布号
GB490069(A)
申请公布日期
1938.08.09
申请号
GB19370007521
申请日期
1937.03.15
申请人
SYDNEY ERNEST CYRIL BIRD;SYDNEY S. BIRD AND SONS LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
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