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发明名称
Improved device for amplifying modulated high-frequency oscillations
摘要
申请公布号
GB617096(A)
申请公布日期
1949.02.01
申请号
GB19460012658
申请日期
1946.04.26
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H03F1/07
主分类号
H03F1/07
代理机构
代理人
主权项
地址
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