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发明名称
ROAD SAFETY BARRIER
摘要
申请公布号
GB1471185(A)
申请公布日期
1977.04.21
申请号
GB19740024298
申请日期
1974.05.31
申请人
CEGEDUR SOC DE TRANSFORMATION DE LALUMINIUM PECHINEY
发明人
分类号
E01D19/10;E01F15/04;(IPC1-7):E01F15/00
主分类号
E01D19/10
代理机构
代理人
主权项
地址
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