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发明名称
摘要
申请公布号
DE2064317(B)
申请公布日期
1972.06.29
申请号
DED2064317
申请日期
1970.12.29
申请人
ELECTROACUSTIC GMBH
发明人
分类号
H03F1/26;H03F3/183;(IPC1-7):H03F1/34
主分类号
H03F1/26
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