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经营范围
发明名称
Improvements in or relating to optical objectives
摘要
申请公布号
GB499290(A)
申请公布日期
1939.01.20
申请号
GB19380021066
申请日期
1938.07.15
申请人
ZEISS IKON AKTIENGESELLSCHAFT
发明人
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
主权项
地址
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