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发明名称
Improved scale-lighting device for radio receiving apparatus
摘要
申请公布号
GB357770(A)
申请公布日期
1931.10.01
申请号
GB19300028294
申请日期
1930.09.22
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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