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发明名称
Improvements in or relating to alarm clocks
摘要
申请公布号
GB912812(A)
申请公布日期
1962.12.12
申请号
GB19590019666
申请日期
1959.06.09
申请人
MANUFACTURE D'HORLOGERIE FREY & CO. SA
发明人
分类号
G04C21/20;G04C21/28
主分类号
G04C21/20
代理机构
代理人
主权项
地址
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