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发明名称
Objective
摘要
申请公布号
GB1005963(A)
申请公布日期
1965.09.29
申请号
GB19620020089
申请日期
1962.05.24
申请人
FARRAND OPTICAL CO., INC.
发明人
分类号
G02B17/08
主分类号
G02B17/08
代理机构
代理人
主权项
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