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发明名称
Punched-card relay calculating perforating machine
摘要
申请公布号
GB793446(A)
申请公布日期
1958.04.16
申请号
GB19540032831
申请日期
1954.11.12
申请人
ARITMA;ANTONIN SVOBODA
发明人
分类号
G06F7/44
主分类号
G06F7/44
代理机构
代理人
主权项
地址
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