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经营范围
发明名称
AMPLIFICATEUR DE DIFFERENCE
摘要
申请公布号
BE753781(A1)
申请公布日期
1971.01.22
申请号
BED753781
申请日期
1970.07.22
申请人
N.V. PHILIPS'GLOEILAMPENFABRIEKEN, EMMASINGEL 6, EINDHOVEN (PAYS-BAS),
发明人
分类号
G06G7/14;H03F3/343;H03F3/45;(IPC1-7):H03F/
主分类号
G06G7/14
代理机构
代理人
主权项
地址
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