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经营范围
发明名称
Perfectionnements apportés à la coulée des métaux.
摘要
申请公布号
BE582440(A1)
申请公布日期
1959.12.31
申请号
BE19590582440
申请日期
1959.09.08
申请人
BERK EXOTHERMICS LIMITED
发明人
分类号
B22D7/10;C22B5/04;C22B5/06;(IPC1-7):B22D
主分类号
B22D7/10
代理机构
代理人
主权项
地址
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