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发明名称
Initial wrist-watch case
摘要
申请公布号
US2240993(A)
申请公布日期
1941.05.06
申请号
US19390288283
申请日期
1939.08.04
申请人
BENRUS WATCH COMPANY
发明人
LAZRUS BENJAMIN
分类号
G04B45/00
主分类号
G04B45/00
代理机构
代理人
主权项
地址
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