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经营范围
发明名称
Verfahren zur Herstellung von 4, 8-Dioxy-1, 2, 5, 6-dibenzophenazinen
摘要
申请公布号
DE589971(C)
申请公布日期
1933.12.22
申请号
DE1932I044772D
申请日期
1932.07.02
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
ZITSCHER DR. ARTHUR
分类号
C09B17/04
主分类号
C09B17/04
代理机构
代理人
主权项
地址
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