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发明名称
Fichier sélecteur pour fiches perforées
摘要
申请公布号
FR929859(A)
申请公布日期
1948.01.09
申请号
FRD929859
申请日期
1946.06.27
申请人
DEQUEKER S. A.
发明人
分类号
G06K21/04
主分类号
G06K21/04
代理机构
代理人
主权项
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