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发明名称
FONE AURICULAR
摘要
申请公布号
BR8402601(A)
申请公布日期
1985.04.30
申请号
BR19840002601
申请日期
1984.05.30
申请人
SONY CORPORATION
发明人
YOSHIHIRO YOKOYAMA;YOSHIYUKI KAMON;TSUTOMU KAKIUCHI
分类号
H04R1/10;H04R1/22;(IPC1-7):H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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