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发明名称
Improvements in large aperture objectives
摘要
申请公布号
GB673353(A)
申请公布日期
1952.06.04
申请号
GB19500029073
申请日期
1950.11.28
申请人
PIERRE ANGENIEUX
发明人
分类号
G02B13/00
主分类号
G02B13/00
代理机构
代理人
主权项
地址
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