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发明名称
Procédé de fabrication des fontes et aciers à graphite nodulaire, mettant en oeuvre certains produits d'addition suivant différents modes opératoires, et aciers etfontes à caractéristiques mécaniques élevées ainsi obtenus
摘要
申请公布号
FR92170(E)
申请公布日期
1968.10.04
申请号
FR19670102434
申请日期
1967.04.12
申请人
发明人
ROOS ANDRE
分类号
C21C7/00
主分类号
C21C7/00
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代理人
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