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经营范围
发明名称
Highly corrected four component photographic objective
摘要
申请公布号
US2601805(A)
申请公布日期
1952.07.01
申请号
US19510208359
申请日期
1951.01.29
申请人
GENERAL SCIENTIFIC CORPORATION
发明人
LOWENTHAL HERMAN
分类号
G02B9/34
主分类号
G02B9/34
代理机构
代理人
主权项
地址
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