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发明名称
Complexe optique pour la projection des films en couleurs
摘要
申请公布号
FR977778(A)
申请公布日期
1951.04.05
申请号
FRD977778
申请日期
1942.11.10
申请人
发明人
LEFEBURE PIERRE
分类号
G02B27/14
主分类号
G02B27/14
代理机构
代理人
主权项
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