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发明名称
CONCERT-PHONES
摘要
申请公布号
GB9209722(D0)
申请公布日期
1992.06.17
申请号
GB19920009722
申请日期
1992.05.06
申请人
MYERS KRISPAN P.
发明人
分类号
A61F11/00;G10K11/28
主分类号
A61F11/00
代理机构
代理人
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