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发明名称
RAILWAY VEHICLE WHEEL
摘要
申请公布号
CA341821(A)
申请公布日期
1934.05.22
申请号
CAD341821
申请日期
申请人
THE GENERAL STEEL CASTINGS CORPORATION
发明人
RAYMOND E. FISHER
分类号
主分类号
代理机构
代理人
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