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经营范围
发明名称
Improvements in or relating to optical testing or measuring apparatus
摘要
申请公布号
GB498378(A)
申请公布日期
1939.01.02
申请号
GB19380019538
申请日期
1937.06.02
申请人
KAPELLA LIMITED;ARTHUR WARMISHAM;RICHARD EDMUND REASON
发明人
分类号
G02B21/00
主分类号
G02B21/00
代理机构
代理人
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