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发明名称
Objectif a grande luminosité formé quatre éléments.
摘要
申请公布号
FR94636(E)
申请公布日期
1969.09.19
申请号
FR19680141194
申请日期
1968.02.26
申请人
OPTISCHE WERKE G. RODENSTOCK
发明人
分类号
G02B13/16;(IPC1-7):G02B/
主分类号
G02B13/16
代理机构
代理人
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