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经营范围
发明名称
HEADPHONE
摘要
申请公布号
JPH0678387(A)
申请公布日期
1994.03.18
申请号
JP19920245993
申请日期
1992.08.24
申请人
SONY CORP
发明人
TOUNO KOUJI
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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