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发明名称
Watch band attachment
摘要
申请公布号
US2559238(A)
申请公布日期
1951.07.03
申请号
US19460674363
申请日期
1946.06.04
申请人
EDWARD WALLIN
发明人
WALLIN EDWARD
分类号
G04B37/14
主分类号
G04B37/14
代理机构
代理人
主权项
地址
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