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发明名称	Kopfhörer
摘要
申请公布号	DE19720396(A1)	申请公布日期	1997.11.20
申请号	DE19971020396	申请日期	1997.05.15
申请人	SONY CORP., TOKIO/TOKYO, JP	发明人	NAGENO, KOJI, TOKIO/TOKYO, JP
分类号	H04R1/10;(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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