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经营范围
发明名称
Swaging apparatus
摘要
申请公布号
US1816488(A)
申请公布日期
1931.07.28
申请号
US19270166062
申请日期
1927.02.05
申请人
STEEL AND TUBES, INC.
发明人
LEWIS JAMES A.;HOLMES EARL K.
分类号
B21J13/08
主分类号
B21J13/08
代理机构
代理人
主权项
地址
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