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发明名称
NUEVO DISPOSITIVO PARA LA FIJACION ELASTICA DE RIELES FERROVIARIOS POR ACERROJAMIENTO
摘要
申请公布号
AR221009(A1)
申请公布日期
1980.12.15
申请号
AR19800282732
申请日期
1980.10.01
申请人
RESSORTS IND
发明人
分类号
E01B9/48;(IPC1-7):E01B9/48
主分类号
E01B9/48
代理机构
代理人
主权项
地址
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