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经营范围
发明名称
INDUCED SHUNTING SYSTEM FOR RAILWAY TRACKS
摘要
申请公布号
CA382643(A)
申请公布日期
1939.07.11
申请号
CAD382643
申请日期
申请人
EDWARD G. BUDD MANUFACTURING COMPANY
发明人
JOSEPH LEDWINKA
分类号
主分类号
代理机构
代理人
主权项
地址
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