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经营范围
发明名称
Improvements in or relating to semi-permanent casting moulds
摘要
申请公布号
GB969771(A)
申请公布日期
1964.09.16
申请号
GB19610014977
申请日期
1961.04.25
申请人
REGIE NATIONALE DES USINES RENAULT
发明人
分类号
B22C9/06;B22C23/00;B22C23/02
主分类号
B22C9/06
代理机构
代理人
主权项
地址
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