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发明名称
Sounding device
摘要
申请公布号
GB0401320(D0)
申请公布日期
2004.02.25
申请号
GB20040001320
申请日期
2002.04.30
申请人
TSUTSUMI, TERUO
发明人
分类号
H04R1/02;G10H1/32;H04R1/28
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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