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经营范围
发明名称
Cold tube bending
摘要
申请公布号
US2907102(A)
申请公布日期
1959.10.06
申请号
US19550508566
申请日期
1955.05.16
申请人
HORACE T. POTTS COMPANY
发明人
ARMSTRONG DAVID E.;DUNN THOMAS J. J.
分类号
B21D9/03
主分类号
B21D9/03
代理机构
代理人
主权项
地址
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