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发明名称
Improvements in and relating to synchronous-motor electric clocks
摘要
申请公布号
GB482855(A)
申请公布日期
1938.04.06
申请号
GB19370017980
申请日期
1937.06.28
申请人
NATIONAL CLOCK MANUFACTURING COMPANY LIMITED;SOLOMON GOLD
发明人
分类号
G04C15/00
主分类号
G04C15/00
代理机构
代理人
主权项
地址
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