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发明名称
Viseur limitant le champ de l'image en particulier pour appareils photographiques
摘要
申请公布号
FR842869(A)
申请公布日期
1939.06.21
申请号
FRD842869
申请日期
1938.09.01
申请人
ZEISS IKON AKTIENGESELLSCHAFT
发明人
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
主权项
地址
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