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发明名称
Device for punching of cards and other record carriers
摘要
申请公布号
GB975700(A)
申请公布日期
1964.11.18
申请号
GB19630038644
申请日期
1963.10.01
申请人
SPERRY RAND CORPORATION
发明人
分类号
G06K
主分类号
G06K
代理机构
代理人
主权项
地址
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