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发明名称
Movement for timepieces with centre seconds hand
摘要
申请公布号
GB720633(A)
申请公布日期
1954.12.22
申请号
GB19520020757
申请日期
1952.08.18
申请人
ETA S.A. FABRIQUE D'EBAUCHES
发明人
分类号
G04B33/10
主分类号
G04B33/10
代理机构
代理人
主权项
地址
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