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经营范围
发明名称
Improvements in photographic light filter layers and in oxonol dyes therefor
摘要
申请公布号
GB688038(A)
申请公布日期
1953.02.25
申请号
GB19500003303
申请日期
1950.02.08
申请人
KODAK LIMITED
发明人
JANUS JOHN WILLIAM
分类号
G03C1/83
主分类号
G03C1/83
代理机构
代理人
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地址
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