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经营范围
发明名称
Improvements in wrist watches
摘要
申请公布号
GB476826(A)
申请公布日期
1937.12.16
申请号
GB19360023460
申请日期
1936.08.26
申请人
FREDERICK GUSTAVUS GRUEN
发明人
分类号
G04B33/08
主分类号
G04B33/08
代理机构
代理人
主权项
地址
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