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经营范围
发明名称
Tube expanding mill
摘要
申请公布号
US1858962(A)
申请公布日期
1932.05.17
申请号
US19290411538
申请日期
1929.12.04
申请人
NATIONAL TUBE COMPANY
发明人
MAZURIE JAMES V.;OLSON OLOF F.
分类号
B21B19/08
主分类号
B21B19/08
代理机构
代理人
主权项
地址
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