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
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