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发明名称
Improvements in or relating to record card controlled statistical machines
摘要
申请公布号
GB670809(A)
申请公布日期
1952.04.23
申请号
GB19490025654
申请日期
1949.10.05
申请人
POWERS - SAMAS ACCOUNTING MACHINES LIMITED
发明人
HOLDEN NORMAN GEOFFREY
分类号
主分类号
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代理人
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