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发明名称
Microphone
摘要
申请公布号
GB9722548(D0)
申请公布日期
1997.12.24
申请号
GB19970022548
申请日期
1997.10.24
申请人
SONY UNITED KINGDOM LIMITED
发明人
分类号
H04R1/00;H04R23/00
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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