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发明名称
Verfahren zur Herstellung von Diapositiven als Kopiervorlagen fuer den Tiefdruck
摘要
申请公布号
DE526149(C)
申请公布日期
1931.06.03
申请号
DED526149D
申请日期
1930.03.01
申请人
DR. ERICH LOENING
发明人
分类号
G03F1/10;G03F1/56
主分类号
G03F1/10
代理机构
代理人
主权项
地址
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