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经营范围
发明名称
Improvements in or relating to wireless receiving circuits
摘要
申请公布号
GB514486(A)
申请公布日期
1939.11.09
申请号
GB19380013155
申请日期
1938.05.03
申请人
PHILCO RADIO AND TELEVISION CORPORATION
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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