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经营范围
发明名称
Procédé d'obtention de tantale en poudre pour condensateurs
摘要
申请公布号
FR1481352(A)
申请公布日期
1967.05.19
申请号
FR19660062958
申请日期
1966.05.25
申请人
CIBA SOCIETE ANONYME
发明人
分类号
B22F9/02;B22F9/04;C22C1/04;H01G9/042;H01G9/052
主分类号
B22F9/02
代理机构
代理人
主权项
地址
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