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经营范围
发明名称
Amplificateurs d'ondes électriques
摘要
申请公布号
FR990822(A)
申请公布日期
1951.09.26
申请号
FRD990822
申请日期
1949.05.11
申请人
SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME
发明人
COOREMAN CHARLES;RAYMOND FRANCOIS-HENRI
分类号
H03F1/54;H03F3/36
主分类号
H03F1/54
代理机构
代理人
主权项
地址
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