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发明名称
Amplificateur pour microphone à condensateur
摘要
申请公布号
FR1398264(A)
申请公布日期
1965.05.07
申请号
FR19640977246
申请日期
1964.06.05
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04R19/04
主分类号
H04R19/04
代理机构
代理人
主权项
地址
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