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发明名称
Improvements in time-pieces
摘要
申请公布号
GB334115(A)
申请公布日期
1930.08.28
申请号
GB19290032508
申请日期
1929.10.25
申请人
JEAN WEIL
发明人
分类号
G04B37/04
主分类号
G04B37/04
代理机构
代理人
主权项
地址
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