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发明名称
Universal timepiece
摘要
申请公布号
US2635414(A)
申请公布日期
1953.04.21
申请号
US19490102966
申请日期
1949.07.05
申请人
LOUIS COTTIER
发明人
COTTIER LOUIS
分类号
G04B19/22
主分类号
G04B19/22
代理机构
代理人
主权项
地址
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