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发明名称
Improvements in or relating to a screen for ingot-moulds
摘要
申请公布号
GB903534(A)
申请公布日期
1962.08.15
申请号
GB19600040545
申请日期
1960.11.25
申请人
HENRI JEAN DAUSSAN
发明人
分类号
B22D7/12
主分类号
B22D7/12
代理机构
代理人
主权项
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