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发明名称
IMPROVEMENTS IN OR RELATING TO RAILWAY VEHICLE STRUCTURES
摘要
申请公布号
GB1298917(A)
申请公布日期
1972.12.06
申请号
GB19710020672
申请日期
1971.04.19
申请人
GENERAL STEEL INDUSTRIES, INC.
发明人
分类号
B61F3/06
主分类号
B61F3/06
代理机构
代理人
主权项
地址
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