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经营范围
发明名称
BATTERY WATCH
摘要
PURPOSE:To make it possible to easily add the indication of the life of a battery, which has been impossible, to a watch having two hands by using an EC display element.
申请公布号
JPS53140074(A)
申请公布日期
1978.12.06
申请号
JP19770055185
申请日期
1977.05.13
申请人
SUWA SEIKOSHA KK
发明人
OOTA TOMIO
分类号
G01D7/00;G04C10/04
主分类号
G01D7/00
代理机构
代理人
主权项
地址
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