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发明名称
Perfectionnements aux amplificateurs magnétiques
摘要
申请公布号
FR1297215(A)
申请公布日期
1962.06.29
申请号
FR19610861890
申请日期
1961.05.16
申请人
ETABLISSEMENTS HENRY-LEPAUTE
发明人
BROEK JEAN VAN DEN
分类号
H03F9/02
主分类号
H03F9/02
代理机构
代理人
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