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发明名称
Method and device for adjusting the opening of the objective of a photographic or cinematographic camera according to the luminosity of the objects
摘要
申请公布号
GB434042(A)
申请公布日期
1935.08.26
申请号
GB19340017021
申请日期
1934.06.08
申请人
PATHE CINEMA, ANCIENS ETABLISSEMENTS PATHE FRERES
发明人
分类号
G03B7/06
主分类号
G03B7/06
代理机构
代理人
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地址
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