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经营范围
发明名称
Improvements in and relating to optical systems
摘要
申请公布号
GB486111(A)
申请公布日期
1938.05.26
申请号
GB19360029089
申请日期
1936.10.26
申请人
EDWIN HERBERT LAND
发明人
分类号
G02B27/10
主分类号
G02B27/10
代理机构
代理人
主权项
地址
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