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发明名称
Two-way display standard
摘要
申请公布号
US2345913(A)
申请公布日期
1944.04.04
申请号
US19420459097
申请日期
1942.09.21
申请人
BISHOP PUBLISHING COMPANY
发明人
BISHOP ROBERT B.
分类号
G09F1/14
主分类号
G09F1/14
代理机构
代理人
主权项
地址
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