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发明名称
Verfahren und Vorrichtung zum Herstellen von laengs eines Falzes gehefteten Papierwaren, beispielsweise Schulheften
摘要
申请公布号
DE948597(C)
申请公布日期
1956.09.06
申请号
DE1954B030844
申请日期
1954.05.01
申请人
HANS BIEL
发明人
分类号
B42B4/00
主分类号
B42B4/00
代理机构
代理人
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地址
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