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发明名称
Perfectionnements aux systèmes de viseurs et de télémètres pour appareils photographiques
摘要
申请公布号
FR824962(A)
申请公布日期
1938.02.21
申请号
FRD824962
申请日期
1937.07.30
申请人
KODAK-PATHE
发明人
分类号
G03B13/20
主分类号
G03B13/20
代理机构
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