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发明名称
Afocal front lens system for shortening the focal length of objectives
摘要
申请公布号
US3177769(A)
申请公布日期
1965.04.13
申请号
US19600029332
申请日期
1960.05.16
申请人
CONTINENTAL ELEKTROINDUSTRIE A. G.
发明人
HILDEBRAND KLAUS
分类号
G02B15/00
主分类号
G02B15/00
代理机构
代理人
主权项
地址
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