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发明名称
Improvements in or relating to a tristimulus difference computer
摘要
申请公布号
GB970129(A)
申请公布日期
1964.09.16
申请号
GB19610037565
申请日期
1961.10.19
申请人
HUGH ROSWELL DAVIDSON
发明人
分类号
G01J3/46;G01J3/50;G06G7/75
主分类号
G01J3/46
代理机构
代理人
主权项
地址
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