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经营范围
发明名称
NOUVEAUX COLORANTS DISAZOIQUES
摘要
申请公布号
BE759472(A1)
申请公布日期
1971.04.30
申请号
BED759472
申请日期
申请人
FARBENFABRIKEN BAYER A.G., A LEVERKUSEN (ALLEMAGNE),
发明人
分类号
C09B31/053;(IPC1-7):C09B/
主分类号
C09B31/053
代理机构
代理人
主权项
地址
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