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发明名称
Improvements in and relating to the schmidt optical system
摘要
申请公布号
GB639189(A)
申请公布日期
1950.06.21
申请号
GB19460009409
申请日期
1946.03.27
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
代理人
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地址
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