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发明名称
HEADPHONE
摘要
申请公布号
KR920007601(Y1)
申请公布日期
1992.10.16
申请号
KR19870002359U
申请日期
1987.02.27
申请人
SONY CORP.
发明人
YAMAKISHI, AKIRA
分类号
H04R1/10;H04R1/22;H04R1/28;H04R9/06;(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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