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发明名称
Lenses
摘要
申请公布号
GB930550(A)
申请公布日期
1963.07.03
申请号
GB19590039190
申请日期
1959.11.18
申请人
KERN & CO., A.G.
发明人
分类号
G02B13/00
主分类号
G02B13/00
代理机构
代理人
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