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经营范围
发明名称
Verfahren zur Trennung eines N,N'-Dialkyl-4,4'-dipyridyliumsalzes von einem N-Alkylpyridiniumsalz
摘要
申请公布号
AT261614(B)
申请公布日期
1968.05.10
申请号
AT19660002624
申请日期
1966.03.18
申请人
IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
分类号
C07D213/20;C07D213/22
主分类号
C07D213/20
代理机构
代理人
主权项
地址
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