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经营范围
发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE ESTRUCTURAS DE BASTIDORES PARA VAGONES DE FERROCARRIL.
摘要
申请公布号
ES337952(A3)
申请公布日期
1968.03.16
申请号
ES19520003379
申请日期
1967.03.13
申请人
GENERAL STEEL INDUSTRIES INC.
发明人
分类号
B61F;(IPC1-7):B61F/
主分类号
B61F
代理机构
代理人
主权项
地址
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