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发明名称
VERFAHREN ZUR HERSTELLUNG VON TANTALAFFIN ODER VON NIOBAFFIN.
摘要
申请公布号
AT39366(T)
申请公布日期
1989.01.15
申请号
AT19860201170T
申请日期
1986.07.03
申请人
METALLURGIE HOBOKEN-OVERPELT SOCIETE ANONYME DITE:
发明人
DE VYNCK, IVAN A.;DE BACKER, PIERRE D.E.
分类号
C22B9/22;C22B34/24;(IPC1-7):C22B34/24
主分类号
C22B9/22
代理机构
代理人
主权项
地址
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