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经营范围
发明名称
Improvements in or relating to wireless transmitting installations
摘要
申请公布号
GB350857(A)
申请公布日期
1931.06.18
申请号
GB19300029632
申请日期
1930.10.03
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03G7/02
主分类号
H03G7/02
代理机构
代理人
主权项
地址
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