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发明名称
PROCESS FOR THE MANUFACTURE OF NIOBIUM BY ELECTROLYSIS
摘要
申请公布号
CA631787(A)
申请公布日期
1961.11.28
申请号
CAD631787
申请日期
申请人
CIBA LIMITED
发明人
ERNST JOST;KURT HUBER
分类号
主分类号
代理机构
代理人
主权项
地址
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