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发明名称
Device for improving the structure of ingots during their setting
摘要
申请公布号
GB975024(A)
申请公布日期
1964.11.11
申请号
GB19620001934
申请日期
1962.01.18
申请人
HENRI JEAN DAUSSAN
发明人
分类号
B22D7/10
主分类号
B22D7/10
代理机构
代理人
主权项
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