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发明名称
Fontes brutes à graphitisation contrôlée et leur procédé de fabrication
摘要
申请公布号
FR874820(A)
申请公布日期
1942.08.27
申请号
FRD874820
申请日期
1941.04.23
申请人
SOCIETE ANONYME DE COMMENTRY FOURCHAMBAULT & DECAZEVILLE
发明人
分类号
C21C1/00
主分类号
C21C1/00
代理机构
代理人
主权项
地址
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