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发明名称
Anastigmatic photographic objective
摘要
申请公布号
US2247068(A)
申请公布日期
1941.06.24
申请号
US19390283279
申请日期
1939.07.07
申请人
THE FIRM OF CARL ZEISS
发明人
RICHTER ROBERT
分类号
G02B13/04
主分类号
G02B13/04
代理机构
代理人
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