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发明名称
ELECTRONIC WRISTWATCH
摘要
PURPOSE:To realize effective assembly of sounding mechanism and to enhance the sounding effect by arranging a piezoelectric element in the inner face of the case of digital display type wristwatch.
申请公布号
JPS549971(A)
申请公布日期
1979.01.25
申请号
JP19770075295
申请日期
1977.06.24
申请人
CASIO COMPUTER CO LTD
发明人
KASHIO TOSHIO
分类号
G10K9/12;G04C21/02;G04G13/02;G10K9/122
主分类号
G10K9/12
代理机构
代理人
主权项
地址
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