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发明名称
Amplificateur magnétique ou diélectrique
摘要
申请公布号
FR1096155(A)
申请公布日期
1955.06.09
申请号
FRD1096155
申请日期
1954.03.22
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F9/00;H03F9/02;H03F11/00
主分类号
H03F9/00
代理机构
代理人
主权项
地址
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