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经营范围
发明名称
Procédé pour la préparation continue d'huile de lavage enrichie de benzol
摘要
申请公布号
FR844404(A)
申请公布日期
1939.07.25
申请号
FRD844404
申请日期
1938.10.07
申请人
HEINRICH KOPPERS' INDUSTRIEELE MAATSCHAPPIJ N. V.
发明人
分类号
C10C1/04
主分类号
C10C1/04
代理机构
代理人
主权项
地址
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