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经营范围
发明名称
Improvements in clocks and watches
摘要
申请公布号
GB444314(A)
申请公布日期
1936.03.18
申请号
GB19360001804
申请日期
1935.11.09
申请人
HENRY LAIRD BRITTON
发明人
分类号
G04B19/23
主分类号
G04B19/23
代理机构
代理人
主权项
地址
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