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发明名称
Image-forming optical lens telephoto systems
摘要
申请公布号
US2803997(A)
申请公布日期
1957.08.27
申请号
US19540430582
申请日期
1954.05.18
申请人
AMERICAN OPTICAL COMPANY
发明人
HOPKINS ROBERT E.
分类号
G02B13/02
主分类号
G02B13/02
代理机构
代理人
主权项
地址
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