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发明名称
Perfectionnements aux mécanismes pour la perforation des enregistrements statistiques
摘要
申请公布号
FR1138266(A)
申请公布日期
1957.06.12
申请号
FRD1138266
申请日期
1955.02.09
申请人
POWERS-SAMAS ACCOUNTING MACHINES LIMITED
发明人
分类号
主分类号
代理机构
代理人
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