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发明名称
SPIRODIPYRANES AND THEIR USE AS COLOUR FORMERS IN COPYING PROCESSES
摘要
申请公布号
EP0010740(B1)
申请公布日期
1982.04.21
申请号
EP19790104148
申请日期
1979.10.26
申请人
BASF AKTIENGESELLSCHAFT
发明人
OBERLINNER, ANDREAS, DR.
分类号
B41M5/136;B41M5/15;C07D491/20;C07D491/22;C07D493/10;C09B57/00;(IPC1-7):C07D493/10;B41M5/16
主分类号
B41M5/136
代理机构
代理人
主权项
地址
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