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发明名称
Elément convertisseur électro-mécanique
摘要
申请公布号
FR1284932(A)
申请公布日期
1962.02.16
申请号
FR19610856798
申请日期
1961.03.24
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04R17/08
主分类号
H04R17/08
代理机构
代理人
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