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发明名称
DRIVING MECHANISM ON RAILWAY CAR AXLES
摘要
申请公布号
CA404741(A)
申请公布日期
1942.05.12
申请号
CAD404741
申请日期
申请人
THE UNION SWITCH AND SIGNAL COMPANY
发明人
HERBERT L. BONE;JOHN W. LIVINGSTON
分类号
主分类号
代理机构
代理人
主权项
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