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经营范围
发明名称
Procédé de protection contre l'oxydation d'un métal liquide pendant sa coulée, par utilisation de l'argon ou d'un gaz chimiquement neutre et plus dense que l'air
摘要
申请公布号
FR1223358(A)
申请公布日期
1960.06.16
申请号
FR19580781047
申请日期
1958.12.05
申请人
SOCIETE ANONYME DES HAUTS FOURNEAUX DE LA CHIERS
发明人
分类号
B22D27/00;B22D37/00
主分类号
B22D27/00
代理机构
代理人
主权项
地址
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