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发明名称
Lens
摘要
申请公布号
US2183885(A)
申请公布日期
1939.12.19
申请号
US19370138908
申请日期
1937.04.26
申请人
THE UNIVIS CORPORATION
发明人
HEAVYSIDE STUART J.
分类号
G02C7/06
主分类号
G02C7/06
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代理人
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