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经营范围
发明名称
Perfectionnements aux amplificateurs électroniques
摘要
申请公布号
FR1182706(A)
申请公布日期
1959.06.29
申请号
FRD1182706
申请日期
1957.09.13
申请人
PYE LIMITED
发明人
分类号
H03F1/02
主分类号
H03F1/02
代理机构
代理人
主权项
地址
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