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经营范围
发明名称
Perfectionnements aux combinaisons de prismes pour la photographie des couleurs
摘要
申请公布号
FR781524(A)
申请公布日期
1935.05.17
申请号
FRD781524
申请日期
1934.11.10
申请人
ADAM HILGER LIMITED
发明人
分类号
G02B27/14
主分类号
G02B27/14
代理机构
代理人
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