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发明名称
Verfahren zum Regeln der Kopierlichtstaerke beim Kopieren von Filmbaendern
摘要
申请公布号
DE701309(C)
申请公布日期
1941.01.14
申请号
DE1939U014583D
申请日期
1939.01.05
申请人
UNIVERSUM-FILM AKT.-GES.
发明人
GOETTSCH DR. REIMER
分类号
G03B27/16
主分类号
G03B27/16
代理机构
代理人
主权项
地址
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