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发明名称
Mit dem Sucher einer Foto- oder Kinokamera zusammengebauter lichtelektrischer Belichtungsmesser
摘要
申请公布号
DE691699(C)
申请公布日期
1940.06.03
申请号
DE1935I052242D
申请日期
1935.05.03
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
FROST DIPL.-ING. PAUL;BIEDERMANN DR. FRIEDRICH
分类号
G03B7/0993
主分类号
G03B7/0993
代理机构
代理人
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