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发明名称
Optical elements
摘要
申请公布号
US2836101(A)
申请公布日期
1958.05.27
申请号
US19550531864
申请日期
1955.09.01
申请人
DE SWART DEVELOPMENT COMPANY
发明人
SWART JAN DE
分类号
G02B3/14
主分类号
G02B3/14
代理机构
代理人
主权项
地址
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