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发明名称
Improvements in or relating to optical magnifying systems
摘要
申请公布号
GB898007(A)
申请公布日期
1962.06.06
申请号
GB19580040900
申请日期
1958.12.18
申请人
LAUBMAN & PANK LIMITED
发明人
分类号
G02B27/02
主分类号
G02B27/02
代理机构
代理人
主权项
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