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发明名称
Kartei mit auf drehbaren, waagerechten Kartentellern angeordneten Kartenbehaeltern
摘要
申请公布号
DE897832(C)
申请公布日期
1953.11.23
申请号
DE1950W001354
申请日期
1950.03.09
申请人
FRANK LLOYD WASSELL
发明人
分类号
B42F17/28
主分类号
B42F17/28
代理机构
代理人
主权项
地址
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