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发明名称
Verfahren zur Abblendung von mit Mehrfarbenfiltern versehenen Aufnahmeobjektiven
摘要
申请公布号
DE511433(C)
申请公布日期
1930.10.29
申请号
DE1929I039840D
申请日期
1929.11.16
申请人
I.G. FARBENINDUSTRIE AKT.-GES.
发明人
HEYMER DR. GERD
分类号
G03C7/14
主分类号
G03C7/14
代理机构
代理人
主权项
地址
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