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经营范围
发明名称
Produits absorbant les radiations ultra-violettes
摘要
申请公布号
FR686905(A)
申请公布日期
1930.08.01
申请号
FRD686905
申请日期
1929.03.14
申请人
SOCIETE DES ETABLISSEMENTS GAUMONT
发明人
分类号
G03C7/04
主分类号
G03C7/04
代理机构
代理人
主权项
地址
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