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经营范围
发明名称
Alliages réfractaires ductiles à base de tungstène
摘要
申请公布号
FR1472636(A)
申请公布日期
1967.03.10
申请号
FR19660055093
申请日期
1966.03.25
申请人
PECHINEY COMPAGNIE DE PRODUITS CHIMIQUES ET ELECTROMETALLURGIQUES
发明人
分类号
C22C1/04;C22C27/04
主分类号
C22C1/04
代理机构
代理人
主权项
地址
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