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发明名称
ELECTRONIC WATCH
摘要
PURPOSE:The display face is covered by a shutter and the shutter face is given a proper design, so that the decorativeness can be maintained and enhanced and the exterior glass face can be protected and made free of fouling and damage.
申请公布号
JPS52107873(A)
申请公布日期
1977.09.09
申请号
JP19760023852
申请日期
1976.03.05
申请人
SEIKO INSTR & ELECTRONICS
发明人
KOYAMA HIDEKATSU
分类号
G04G9/00;G04G17/02;G04G99/00
主分类号
G04G9/00
代理机构
代理人
主权项
地址
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