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发明名称
IMPROVEMENT FOR LADLES TO CAST METAL
摘要
申请公布号
EP0302040(B1)
申请公布日期
1992.09.16
申请号
EP19880870124
申请日期
1988.07.15
申请人
RECHERCHES ET DEVELOPPEMENTS DESAAR, SOCIETE ANONYME
发明人
DESAAR, RENE
分类号
B22D41/005;B22D41/60
主分类号
B22D41/005
代理机构
代理人
主权项
地址
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