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经营范围
发明名称
Objectif à forte luminosité
摘要
申请公布号
FR822753(A)
申请公布日期
1938.01.07
申请号
FRD822753
申请日期
1937.06.07
申请人
ERNST LEITZ G.M.B.H.
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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