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发明名称
Vorrichtung zur selbsttaetigen Belichtungssteuerung beim Zweitbelichten oder Kopieren von Filmen
摘要
申请公布号
DE707566(C)
申请公布日期
1941.06.26
申请号
DE1935I052951D
申请日期
1935.08.07
申请人
I.G. FARBENINDUSTRIE AKT.-GES.
发明人
分类号
G03B27/80
主分类号
G03B27/80
代理机构
代理人
主权项
地址
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