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发明名称
Classeur ou fichier avec dispositif sélectionneur de cartes ou fiches
摘要
申请公布号
FR892576(A)
申请公布日期
1944.04.12
申请号
FRD892576
申请日期
1943.03.18
申请人
发明人
PERWOLF FELIX
分类号
G06K21/04
主分类号
G06K21/04
代理机构
代理人
主权项
地址
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