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发明名称
Improvements in or relating to collimating lenses
摘要
申请公布号
GB522215(A)
申请公布日期
1940.06.12
申请号
GB19380035810
申请日期
1938.12.08
申请人
PHILIP FRANCIS EVERITT;ARTHUR JOSEPH HUGHES;HENRY HUGHES & SON, LIMITED
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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