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发明名称
Optical system with large effective image angle
摘要
申请公布号
US2781695(A)
申请公布日期
1957.02.19
申请号
US19550525175
申请日期
1955.07.29
申请人
JOS. SCHNEIDER & CO.
发明人
KLEMT GUNTER
分类号
G02B13/04
主分类号
G02B13/04
代理机构
代理人
主权项
地址
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