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经营范围
发明名称
ELECTRONIC WATCH
摘要
PURPOSE:To prevent the functions of electronic circuits including volatile semiconductor memoryfrom stopping even at the drop of power source voltage or exchanging of a main battery by using an auxiliary battery charged by the main battery.
申请公布号
JPS5389771(A)
申请公布日期
1978.08.07
申请号
JP19770004271
申请日期
1977.01.18
申请人
SUWA SEIKOSHA KK
发明人
TERAISHI NIHIRO
分类号
H02J7/00;G04C10/00;G04G19/06;G04G19/10
主分类号
H02J7/00
代理机构
代理人
主权项
地址
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