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发明名称
Fiche pour fichiers à classement vertical
摘要
申请公布号
FR818029(A)
申请公布日期
1937.09.16
申请号
FRD818029
申请日期
1937.02.17
申请人
发明人
PAUL BAUMER
分类号
B42F17/00
主分类号
B42F17/00
代理机构
代理人
主权项
地址
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