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经营范围
发明名称
COUMARIN DYES
摘要
申请公布号
GB1509347(A)
申请公布日期
1978.05.04
申请号
GB19760024067
申请日期
1976.06.10
申请人
BAYER AG
发明人
分类号
C09B57/02;D06P1/16;(IPC1-7):C09B55/00;C07D209/08
主分类号
C09B57/02
代理机构
代理人
主权项
地址
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