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发明名称
Improvements relating to clocks
摘要
申请公布号
GB664573(A)
申请公布日期
1952.01.09
申请号
GB19490026617
申请日期
1949.10.17
申请人
TAVANNES WATCH CO. S.A.
发明人
分类号
G04B37/00
主分类号
G04B37/00
代理机构
代理人
主权项
地址
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