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发明名称
VERFAHREN ZUR HERSTELLUNG EINER HOCHREINEN TANTALVERBINDUNG
摘要
申请公布号
AT409959(B)
申请公布日期
2002.12.27
申请号
AT19980001531
申请日期
1998.09.10
申请人
OSRAM SYLVANIA INC.
发明人
分类号
C01G35/00;C22B34/24;(IPC1-7):C01G35/00
主分类号
C01G35/00
代理机构
代理人
主权项
地址
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