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发明名称
Ordner zum uebersichtlichen Aufbewahren von Karten, Bildern u. dgl.
摘要
申请公布号
DE649443(C)
申请公布日期
1937.08.24
申请号
DENDATSC08480D
申请日期
申请人
WALTER SCHOLZ
发明人
分类号
B42F17/00
主分类号
B42F17/00
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代理人
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