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发明名称
SPEED ADJUSTMENT DEVICE FOR ELECTRONIC TIMEPIECE
摘要
申请公布号
JPS53138371(A)
申请公布日期
1978.12.02
申请号
JP19770051989
申请日期
1977.05.09
申请人
RICOH WATCH
发明人
ICHISE KAZUTOSHI
分类号
G04G3/02;G04C3/00;G04F5/00;H03K23/40
主分类号
G04G3/02
代理机构
代理人
主权项
地址
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