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发明名称
Perfectionnements aux amplificateurs à basse fréquence
摘要
申请公布号
FR938977(A)
申请公布日期
1948.10.29
申请号
FRD938977
申请日期
1946.02.01
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
TERMAN FREDERIC EMMONS
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
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地址
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