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发明名称
Improved wireless receiving circuit with automatic volume-control
摘要
申请公布号
GB358861(A)
申请公布日期
1931.10.15
申请号
GB19310009796
申请日期
1931.03.31
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03G3/22
主分类号
H03G3/22
代理机构
代理人
主权项
地址
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