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经营范围
发明名称
Method and apparatus for relieving a vacuum condition in an extruded tubular member
摘要
申请公布号
GB1060870(A)
申请公布日期
1967.03.08
申请号
GB19640042793
申请日期
1964.10.20
申请人
REYNOLDS METALS COMPANY
发明人
分类号
B21C23/08;B21C23/21
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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