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经营范围
发明名称
RAILWAY CAR COUPLER
摘要
申请公布号
CA334944(A)
申请公布日期
1933.08.15
申请号
CAD334944
申请日期
申请人
THE NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
ARTHUR JAMES BAZELEY
分类号
主分类号
代理机构
代理人
主权项
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