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发明名称
Three component photographic objective of five lens elements
摘要
申请公布号
US2720140(A)
申请公布日期
1955.10.11
申请号
US19540443260
申请日期
1954.07.14
申请人
CARL ZEISS
发明人
LANGE GUNTHER
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
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