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发明名称
Verfahren zur Abschwaechung der Kontraste bei zu kopierenden Farbrasternegativen oder Diapositiven
摘要
申请公布号
DE639872(C)
申请公布日期
1937.02.02
申请号
DE1935P071097D
申请日期
1935.04.12
申请人
FRANZ PILLER
发明人
分类号
G03C7/04
主分类号
G03C7/04
代理机构
代理人
主权项
地址
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