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发明名称
EXTRUSION
摘要
申请公布号
GB1574604(A)
申请公布日期
1980.09.10
申请号
GB19760018668
申请日期
1977.05.05
申请人
BRITISH STEEL CORP
发明人
分类号
B21C23/00;(IPC1-7):B21C23/04;B21C23/08;B21C25/02;B21C27/00;B21C35/02
主分类号
B21C23/00
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代理人
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