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经营范围
发明名称
Procédé d'enrichissement en manganèse des fontes de fer.
摘要
申请公布号
CH309245(A)
申请公布日期
1955.08.31
申请号
CHD309245
申请日期
1953.05.08
申请人
COMPAGNIE GENERALE DES CONDUITES D'EAU (SOCIETE ANONYME)
发明人
COMPAGNIE GENERALE DES CONDUITES D'EAU (SOCIETE ANONYME)
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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