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发明名称
Vorrichtung zum Verhindern des Zuschlagens der Ruecken aufgeschlagener Loseblattbuecher mittels einer mit dem Buche zu verbindenden, dieses auf der Unterlage festlegenden Halteleiste
摘要
申请公布号
DE553066(C)
申请公布日期
1932.06.21
申请号
DE1931L078752D
申请日期
1931.07.01
申请人
RUDOLF LORENTZ
发明人
分类号
B42D3/18;B42F9/00
主分类号
B42D3/18
代理机构
代理人
主权项
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