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发明名称
Procédé pour la carbonisation de substances bitumineuses
摘要
申请公布号
FR672934(A)
申请公布日期
1930.01.08
申请号
FRD672934
申请日期
1929.04.11
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C10B1/04
主分类号
C10B1/04
代理机构
代理人
主权项
地址
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