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发明名称
Photographic objective
摘要
申请公布号
US1880394(A)
申请公布日期
1932.10.04
申请号
US19300501529
申请日期
1930.12.11
申请人
EASTMAN KODAK COMPANY
发明人
ALTMAN FRED E.
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
主权项
地址
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