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发明名称
UNA DISPOSICION DE BARRERA DE SEGURIDAD PARA CARRETERAS Y AUTOPISTAS.
摘要
申请公布号
ES342137(A3)
申请公布日期
1968.07.16
申请号
ES19370003421
申请日期
1967.06.21
申请人
DOLZA
发明人
分类号
E01F;(IPC1-7):E01F/
主分类号
E01F
代理机构
代理人
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