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经营范围
发明名称
Improvements relating to electric clocks
摘要
申请公布号
GB685766(A)
申请公布日期
1953.01.14
申请号
GB19490024754
申请日期
1949.09.27
申请人
NORMAN BINNS COOP
发明人
分类号
G04C1/02
主分类号
G04C1/02
代理机构
代理人
主权项
地址
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