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经营范围
发明名称
Tube mill
摘要
申请公布号
US1906679(A)
申请公布日期
1933.05.02
申请号
US19300448496
申请日期
1930.04.30
申请人
THE TIMKEN ROLLER BEARING COMPANY
发明人
WECKSTEIN SAMSON M.
分类号
B21B19/04
主分类号
B21B19/04
代理机构
代理人
主权项
地址
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