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发明名称
Procédé pour la séparation de l'asphalte et des substances similaires d'avec les goudrons, les huiles minérales, les produits résultant de l'hydrogénation sous pression du charbon, etc., qui en renferment
摘要
申请公布号
FR716703(A)
申请公布日期
1931.12.26
申请号
FRD716703
申请日期
1931.05.07
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C10G21/00
主分类号
C10G21/00
代理机构
代理人
主权项
地址
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