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发明名称
ROADWAY BARRIER
摘要
申请公布号
GB2063973(B)
申请公布日期
1984.09.12
申请号
GB19800037387
申请日期
1980.11.21
申请人
INTERNATIONAL BARRIER CORP
发明人
分类号
E01F15/00;E01F15/08;E01F15/10;E01F15/14;(IPC1-7):E01F15/00
主分类号
E01F15/00
代理机构
代理人
主权项
地址
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