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发明名称
Perfectionnements aux machines tabulatrices contrôlées par cartes à enregistrements
摘要
申请公布号
FR848497(A)
申请公布日期
1939.10.31
申请号
FRD848497
申请日期
1939.01.05
申请人
POWERS ACCOUNTING MACHINES LIMITED
发明人
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主分类号
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