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发明名称
Procédé et dispositif de mesure de la luminosité de sujets à photographier et cinématographier
摘要
申请公布号
FR1054529(A)
申请公布日期
1954.02.11
申请号
FRD1054529
申请日期
1952.04.16
申请人
发明人
COUTANT ANDRE-CLEMENT
分类号
G03B7/099
主分类号
G03B7/099
代理机构
代理人
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