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经营范围
发明名称
ELEMENTO PREFABRICADO PARA LA FORMACION DE PASOS SUBTERRA- NEOS.
摘要
申请公布号
ES192688(Y)
申请公布日期
1975.01.01
申请号
ES19880001926U
申请日期
1973.06.20
申请人
DRAGADOS;CONSTRUCCIONES, S. A.
发明人
分类号
E04C;(IPC1-7):04C/
主分类号
E04C
代理机构
代理人
主权项
地址
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