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发明名称
Extrusion of metals
摘要
申请公布号
US2630916(A)
申请公布日期
1953.03.10
申请号
US19470774913
申请日期
1947.09.19
申请人
OLIN INDUSTRIES, INC.
发明人
BLAIR EMILE
分类号
B21C23/14
主分类号
B21C23/14
代理机构
代理人
主权项
地址
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