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经营范围
发明名称
Motkopplad förstärkare
摘要
申请公布号
FI24065(A)
申请公布日期
1950.01.10
申请号
FID24065
申请日期
1944.02.25
申请人
N.V.PHILIPS' GLOEILAMPENFABRIEKE
发明人
BELJERS HUGO GERRIT;SIX WILLEM;WINKEL TE JAN
分类号
H03F1/34;(IPC1-7):H03F1/34
主分类号
H03F1/34
代理机构
代理人
主权项
地址
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