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发明名称
Perfectionnements aux dispositifs servant à projeter des vues d'écran en couleurs naturelles
摘要
申请公布号
FR757873(A)
申请公布日期
1934.01.05
申请号
FRD757873
申请日期
1933.07.03
申请人
OMNICOLOR LIMITED
发明人
分类号
G03B33/16
主分类号
G03B33/16
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代理人
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