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经营范围
发明名称
Electric watch
摘要
申请公布号
US2662366(A)
申请公布日期
1953.12.15
申请号
US19510252079
申请日期
1951.10.19
申请人
HAMILTON WATCH COMPANY
发明人
KOEHLER FRED
分类号
G04C3/06
主分类号
G04C3/06
代理机构
代理人
主权项
地址
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