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经营范围
发明名称
ELECTRONIC WATCH
摘要
PURPOSE:Acoustic diaplaying of time as coded monotonous tone by providing an acoustic display device which subsequently produces outputs by the sound comprising coding of the counting contents of a time measuring device.
申请公布号
JPS5338364(A)
申请公布日期
1978.04.08
申请号
JP19760112756
申请日期
1976.09.20
申请人
SEIKO INSTR & ELECTRONICS
发明人
KOMAKI SHIYOUJIROU
分类号
G04G13/00
主分类号
G04G13/00
代理机构
代理人
主权项
地址
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