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发明名称
Display device
摘要
申请公布号
US2250635(A)
申请公布日期
1941.07.29
申请号
US19390264226
申请日期
1939.03.25
申请人
HAMILTON WATCH COMPANY
发明人
GUNDER ROBERT J.
分类号
G09F1/04
主分类号
G09F1/04
代理机构
代理人
主权项
地址
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