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经营范围
发明名称
Cold extrusion process
摘要
申请公布号
GB2063132(A)
申请公布日期
1981.06.03
申请号
GB19790039154
申请日期
1979.11.12
申请人
HACKETT K P
发明人
分类号
B21C23/04;B21C23/21;B21C31/00;(IPC1-7):B21C23/04;B30B11/22
主分类号
B21C23/04
代理机构
代理人
主权项
地址
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