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发明名称
Improvements in or relating to record card controlled business machines
摘要
申请公布号
GB785927(A)
申请公布日期
1957.11.06
申请号
GB19560017516
申请日期
1956.06.06
申请人
BURROUGHS CORPORATION
发明人
分类号
G06K7/016
主分类号
G06K7/016
代理机构
代理人
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