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经营范围
发明名称
Improvements in or relating to optical testing apparatus
摘要
申请公布号
GB759878(A)
申请公布日期
1956.10.24
申请号
GB19540016452
申请日期
1955.06.03
申请人
JOHN ALFRED MILLS;KAPELLA LIMITED
发明人
分类号
G01B11/00
主分类号
G01B11/00
代理机构
代理人
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