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发明名称
Improvements relating to azo pigments
摘要
申请公布号
GB971190(A)
申请公布日期
1964.09.30
申请号
GB19620015694
申请日期
1962.04.25
申请人
J. R. GEIGY A.-G.
发明人
分类号
C09B33/147;C09B41/00
主分类号
C09B33/147
代理机构
代理人
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