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经营范围
发明名称
Improvements in or relating to alloy steels and articles made therefrom
摘要
申请公布号
GB653836(A)
申请公布日期
1951.05.30
申请号
GB19470018139
申请日期
1947.07.09
申请人
THE TIMKEN ROLLER BEARING COMPANY
发明人
分类号
C22C38/44
主分类号
C22C38/44
代理机构
代理人
主权项
地址
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