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发明名称
BENZOPYRAN DYES AND THEIR INTERMEDIATES
摘要
申请公布号
EP0796298(B1)
申请公布日期
1999.03.31
申请号
EP19950941022
申请日期
1995.11.25
申请人
BASF AKTIENGESELLSCHAFT
发明人
REICHELT, HELMUT;GRUND, CLEMENS;WAGENBLAST, GERHARD
分类号
C07D491/052;C07D405/04;C07D491/147;C09B57/00;C09B57/02;D06P1/16;(IPC1-7):C09B57/00
主分类号
C07D491/052
代理机构
代理人
主权项
地址
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