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经营范围
发明名称
Improvements in or relating to dyes and particularly photographic sensitising dyes
摘要
申请公布号
GB622273(A)
申请公布日期
1949.04.28
申请号
GB19480024239
申请日期
1946.04.26
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
C09B23/14
主分类号
C09B23/14
代理机构
代理人
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