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发明名称
Verfahren und Vorrichtung zur Abblendung von mit Mehrfarbenfiltern versehenen Aufnahmeobjektiven
摘要
申请公布号
DE605907(C)
申请公布日期
1934.11.20
申请号
DE1929I039841D
申请日期
1929.11.16
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
分类号
G03B33/10
主分类号
G03B33/10
代理机构
代理人
主权项
地址
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