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摘要
申请公布号
DE2436724(C2)
申请公布日期
1983.04.28
申请号
DE19742436724
申请日期
1974.07.30
申请人
SONY CORP., TOKYO, JP
发明人
TSUDA, AKIRA, MATSUDO, CHIBA, JP
分类号
H03F3/181;H03F3/68;H04R5/04;H04S3/00;H04S7/00;(IPC1-7):H04R3/12
主分类号
H03F3/181
代理机构
代理人
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