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发明名称
Verfahren zum Herstellen von Kopiervorlagen fuer den Notendruck
摘要
申请公布号
DE817402(C)
申请公布日期
1951.10.18
申请号
DE1948P009503D
申请日期
1948.10.01
申请人
HANNS KLEIN JUN., LENGERICH (WESTF.)
发明人
(WESTF.) HANNS KLEIN JUN., LENGERICH
分类号
G03F1/90
主分类号
G03F1/90
代理机构
代理人
主权项
地址
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