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发明名称
Perfectionnements apportés à la fabrication du niobium par électrolyse
摘要
申请公布号
FR1242123(A)
申请公布日期
1960.09.23
申请号
FR19590812121
申请日期
1959.12.04
申请人
SOCIETE GENERALE METALLURGIQUE DE HOBOKEN
发明人
分类号
C25C3/34
主分类号
C25C3/34
代理机构
代理人
主权项
地址
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