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发明名称
Dispositif de mesure du rapport entre un flux lumineux variable et un flux lumineux constant ou au maximum lentement variable
摘要
申请公布号
FR1429793(A)
申请公布日期
1966.02.25
申请号
FR19650012144
申请日期
1965.04.06
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
分类号
G01N21/53
主分类号
G01N21/53
代理机构
代理人
主权项
地址
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