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经营范围
发明名称
Improved photographic lens system
摘要
申请公布号
GB480643(A)
申请公布日期
1938.02.25
申请号
GB19370016053
申请日期
1937.06.09
申请人
ERNST LEITZ G.M.B.H.
发明人
分类号
G02B9/34
主分类号
G02B9/34
代理机构
代理人
主权项
地址
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