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发明名称
Verstärker für doppelseitige Gesprächsverbindung
摘要
申请公布号
CH372714(A)
申请公布日期
1963.10.31
申请号
CH19590074562
申请日期
1959.06.17
申请人
AKTIEBOLAGET GYLLING & CO.
发明人
HENRY MINDERMANN,KURT
分类号
H03F3/64
主分类号
H03F3/64
代理机构
代理人
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地址
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