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经营范围
发明名称
RAILWAY SWITCH LEVER LATCH STANDS
摘要
申请公布号
CA514024(A)
申请公布日期
1955.06.21
申请号
CAD514024
申请日期
申请人
THE UNION SWITCH AND SIGNAL COMPANY
发明人
HERBERT L. BONE
分类号
主分类号
代理机构
代理人
主权项
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