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发明名称
Procédé et appareil pour la réduction des oxydes de métaux réfractaires
摘要
申请公布号
FR771642(A)
申请公布日期
1934.10.13
申请号
FRD771642
申请日期
1934.04.11
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
C22B5/12;C22B34/00
主分类号
C22B5/12
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代理人
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