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发明名称
éléments conformés servant à la coulée des métaux
摘要
申请公布号
FR1234682(A)
申请公布日期
1960.10.19
申请号
FR19590804672
申请日期
1959.09.09
申请人
BERK EXOTHERMICS LIMITED
发明人
分类号
B22C23/02
主分类号
B22C23/02
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代理人
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