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经营范围
发明名称
Procédé d'obtention à l'état pur des différents constituants des goudrons de houille, notamment des constituants des pâtes anthracéniques et des brais
摘要
申请公布号
FR813647(A)
申请公布日期
1937.06.05
申请号
FRD813647
申请日期
1936.02.13
申请人
COMPAGNIE DES MINES DE VICOIGNE, NOEUX & DROCOURT
发明人
分类号
C07D209/84
主分类号
C07D209/84
代理机构
代理人
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