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经营范围
发明名称
Wire drawing machine
摘要
申请公布号
US2272187(A)
申请公布日期
1942.02.10
申请号
US19400347259
申请日期
1940.07.24
申请人
THE AETNA-STANDARD ENGINEERING COMPANY
发明人
DAHLSTROM FRANK P.
分类号
B21C1/12
主分类号
B21C1/12
代理机构
代理人
主权项
地址
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