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经营范围
发明名称
Dispositif pour transformer la modulation d'impulsion en variations d'amplitude
摘要
申请公布号
FR57701(E)
申请公布日期
1953.05.04
申请号
FRD57701
申请日期
1947.10.03
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03K9/04
主分类号
H03K9/04
代理机构
代理人
主权项
地址
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