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发明名称
ROAD BLOCKER
摘要
申请公布号
GB2261006(A)
申请公布日期
1993.05.05
申请号
GB19930000039
申请日期
1993.01.04
申请人
STANLEY * OVINGTON
发明人
STANLEY * OVINGTON
分类号
E01F13/08
主分类号
E01F13/08
代理机构
代理人
主权项
地址
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