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发明名称
Improvements in or relating to optical systems comprising a correction element
摘要
申请公布号
GB602576(A)
申请公布日期
1948.05.28
申请号
GB19450034492
申请日期
1945.12.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G02B17/08
主分类号
G02B17/08
代理机构
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