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发明名称
摘要
申请公布号
DE2432975(C2)
申请公布日期
1984.11.08
申请号
DE19742432975
申请日期
1974.07.09
申请人
SONY CORP., TOKIO/TOKYO, JP
发明人
NAKAJIMA, HEITARO;KAWAKAMI, HIROTAKE, TOKIO/TOKYO, JP;TATARA, SHIYOKICHI, YOKOHAMA, KANAGAWA, JP
分类号
H04R1/18;(IPC1-7):G11B3/00
主分类号
H04R1/18
代理机构
代理人
主权项
地址
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