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经营范围
发明名称
Perfectionnement à la fabrication et à l'utilisation des cokes métallurgiques
摘要
申请公布号
FR992346(A)
申请公布日期
1951.10.17
申请号
FRD992346
申请日期
1944.06.21
申请人
发明人
DUJARDIN FERDINAND-LOUIS
分类号
C10B39/04
主分类号
C10B39/04
代理机构
代理人
主权项
地址
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