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发明名称
Koppling för förstärkning av elektriska svängningar
摘要
申请公布号
FI24620(A)
申请公布日期
1950.10.10
申请号
FID24620
申请日期
1940.12.24
申请人
N.V.PHILIPS' GLOEILAMPENFABRIEKE
发明人
STRUTT MAXIMILIAAN JULIUS OTTO;ZIEL VAN DER ALDERT
分类号
H03F3/02;(IPC1-7):H03F3/02
主分类号
H03F3/02
代理机构
代理人
主权项
地址
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