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发明名称
Fotografischer Belichtungsregler
摘要
申请公布号
DE832390(C)
申请公布日期
1952.02.25
申请号
DE1942G000850
申请日期
1942.03.07
申请人
ALFRED GAUTHIER G.M.B.H.
发明人
RENTSCHLER KARL
分类号
G03B7/12
主分类号
G03B7/12
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