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发明名称
Verfahren und Vorrichtung zur Herstellung von Briefumschlaegen mit aufgedrucktem Fenster
摘要
申请公布号
DE540373(C)
申请公布日期
1931.12.17
申请号
DE1929D057782D
申请日期
1929.02.24
申请人
ALFRED WINKLER;MAX DUENNEBIER
发明人
分类号
B31B19/00
主分类号
B31B19/00
代理机构
代理人
主权项
地址
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