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经营范围
发明名称
Improvements in or relating to lens systems
摘要
申请公布号
GB983342(A)
申请公布日期
1965.02.17
申请号
GB19630015609
申请日期
1963.04.19
申请人
THE EDNALITE CORPORATION
发明人
分类号
G02B17/08
主分类号
G02B17/08
代理机构
代理人
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