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发明名称
Perfectionnements aux voies d'amplification de signaux électriques
摘要
申请公布号
FR1050030(A)
申请公布日期
1954.01.05
申请号
FRD1050030
申请日期
1952.01.31
申请人
发明人
BUFFET PAUL
分类号
H03F1/36;H03F1/50
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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