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发明名称
Headphones
摘要
申请公布号
GB0317234(D0)
申请公布日期
2003.08.27
申请号
GB20030017234
申请日期
2003.07.23
申请人
SENNHEISER ELECTRONIC GMBH & CO KG
发明人
分类号
H04R1/10;H04R5/033
主分类号
H04R1/10
代理机构
代理人
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