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经营范围
发明名称
Perfectionnements aux appareils et accessoires photographiques ou cinématographiques
摘要
申请公布号
FR1261996(A)
申请公布日期
1961.05.26
申请号
FR19600824351
申请日期
1960.04.14
申请人
发明人
ROY-MORIN GEORGES
分类号
G03B7/08
主分类号
G03B7/08
代理机构
代理人
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