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发明名称
Lens
摘要
申请公布号
US2100290(A)
申请公布日期
1937.11.23
申请号
US19350025563
申请日期
1935.06.08
申请人
KAPELLA LIMITED
发明人
LEE HORACE WILLIAM
分类号
G02B13/18
主分类号
G02B13/18
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