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发明名称
Hilfsvorrichtung zur gruppenweisen Unterteilung des zwischen Registerblaettern eingeordneten Inhaltes von Briefordnern
摘要
申请公布号
DE739255(C)
申请公布日期
1943.09.16
申请号
DE1939D079741D
申请日期
1939.01.26
申请人
GEBR. DIHLMANN
发明人
分类号
B42F21/00
主分类号
B42F21/00
代理机构
代理人
主权项
地址
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