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发明名称
Procédé assurant le déphénolage des huiles de goudrons
摘要
申请公布号
FR1081982(A)
申请公布日期
1954.12.24
申请号
FRD1081982
申请日期
1953.05.18
申请人
GAZ DE FRANCE
发明人
BELLET EDGAR
分类号
C10C1/18
主分类号
C10C1/18
代理机构
代理人
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