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发明名称
Improvements in and relating to objective lenses
摘要
申请公布号
GB931561(A)
申请公布日期
1963.07.17
申请号
GB19590035592
申请日期
1959.10.20
申请人
FARRAND OPTICAL CO., INC.
发明人
分类号
G02B9/34;G02B13/00;G02B13/04
主分类号
G02B9/34
代理机构
代理人
主权项
地址
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