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发明名称
Extrusion apparatus
摘要
申请公布号
US2748934(A)
申请公布日期
1956.06.05
申请号
US19520313126
申请日期
1952.10.04
申请人
ALUMINUM COMPANY OF AMERICA
发明人
WHEELER JESSE H.
分类号
B21C25/08
主分类号
B21C25/08
代理机构
代理人
主权项
地址
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