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经营范围
发明名称
Improvements in or relating to watches
摘要
申请公布号
GB518658(A)
申请公布日期
1940.03.04
申请号
GB19380028258
申请日期
1938.09.28
申请人
GRUEN WATCH MFG., CO., A.G.
发明人
分类号
G04B29/00
主分类号
G04B29/00
代理机构
代理人
主权项
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