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经营范围
发明名称
COLUORANTS
摘要
申请公布号
GB2017157(A)
申请公布日期
1979.10.03
申请号
GB19790008693
申请日期
1979.03.12
申请人
BAYER AG
发明人
分类号
C09B1/34;D06P3/06;(IPC1-7):D06P3/06;D06P3/16;D06P3/24
主分类号
C09B1/34
代理机构
代理人
主权项
地址
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