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发明名称
Réflecteur combiné pour appareils de projection d'images
摘要
申请公布号
FR972902(A)
申请公布日期
1951.02.05
申请号
FRD972902
申请日期
1941.06.06
申请人
发明人
DEBRIE ANDRE-LEON-VICTOR-CL
分类号
G03B21/20
主分类号
G03B21/20
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