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发明名称
Viseur disposé à proximité de l'obturateur de l'objectif
摘要
申请公布号
FR828100(A)
申请公布日期
1938.05.10
申请号
FRD828100
申请日期
1937.10.21
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03B13/02
主分类号
G03B13/02
代理机构
代理人
主权项
地址
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