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发明名称
Computers
摘要
申请公布号
US2792992(A)
申请公布日期
1957.05.21
申请号
US19500160863
申请日期
1950.05.09
申请人
ELLISON ARNOLD B
发明人
ELLISON ARNOLD B.
分类号
G06G1/08
主分类号
G06G1/08
代理机构
代理人
主权项
地址
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