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发明名称
Perfectionnements à la mise au point des appareils photographiques
摘要
申请公布号
FR1254450(A)
申请公布日期
1961.02.24
申请号
FR19600815323
申请日期
1960.01.11
申请人
OPTIQUE ET PRECISION DE LEVALLOIS
发明人
分类号
G03B7/12
主分类号
G03B7/12
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代理人
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