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发明名称
Un écran égalisateur de flux lumineux pour lampe éclair photographique
摘要
申请公布号
FR1223670(A)
申请公布日期
1960.06.20
申请号
FR19590001680
申请日期
1959.02.20
申请人
发明人
BAYLE JOSEPH
分类号
G03B15/04
主分类号
G03B15/04
代理机构
代理人
主权项
地址
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