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发明名称
SPLICING STRUCTURE FOR CANTED RAILS
摘要
申请公布号
CA302835(A)
申请公布日期
1930.08.05
申请号
CAD302835
申请日期
申请人
THE RAIL JOINT COMPANY OF CANADA
发明人
VICTOR C. ARMSTRONG
分类号
主分类号
代理机构
代理人
主权项
地址
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