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发明名称
LOCOMOTIVE AXLE
摘要
申请公布号
CA299400(A)
申请公布日期
1930.04.15
申请号
CAD299400
申请日期
申请人
THE TIMKEN ROLLER BEARING COMPANY
发明人
WALTER C. SANDERS;JOEL HEKTNER
分类号
主分类号
代理机构
代理人
主权项
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