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经营范围
发明名称
Sound activated timepiece device
摘要
申请公布号
GB2193821(A)
申请公布日期
1988.02.17
申请号
GB19860019556
申请日期
1986.08.11
申请人
* STERLING ELECTRONIC CO
发明人
VINCENT * LIN
分类号
G04G13/00;(IPC1-7):G04G13/00
主分类号
G04G13/00
代理机构
代理人
主权项
地址
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