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经营范围
发明名称
Procédé et appareil pour la distillation continue des goudrons
摘要
申请公布号
FR973527(A)
申请公布日期
1951.02.12
申请号
FRD973527
申请日期
1941.09.09
申请人
发明人
BERGH WILLY-GUILLAUME-LOUI VAN DEN
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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