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发明名称
Fassung fuer photographische Objektive mit eingebauten, wahlweise zur Wirkung bringbaren Filtern
摘要
申请公布号
DE919983(C)
申请公布日期
1954.11.08
申请号
DE1952K012878
申请日期
1952.01.18
申请人
KERN & CO. A.G.
发明人
HINDEN FRITZ
分类号
G03B17/12
主分类号
G03B17/12
代理机构
代理人
主权项
地址
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