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发明名称
Improvements in record-card-controlled adding and printing machines
摘要
申请公布号
GB331543(A)
申请公布日期
1930.07.04
申请号
GB19290007008
申请日期
1929.03.04
申请人
CORNELIS HENDRICUS STUIVENBERG
发明人
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主分类号
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