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发明名称
Improvements in or relating to optical instruments
摘要
申请公布号
GB720601(A)
申请公布日期
1954.12.22
申请号
GB19520004447
申请日期
1952.02.20
申请人
LEO MORRIS;MORRIS CHAPMAN SULIMAN
发明人
分类号
G02B23/18
主分类号
G02B23/18
代理机构
代理人
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