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发明名称
ROAD BLOCK
摘要
申请公布号
GB8629524(D0)
申请公布日期
1987.01.21
申请号
GB19860029524
申请日期
1986.12.10
申请人
TECHNICAL RESEARCH PRODUCTS LTD
发明人
分类号
A63F3/00;A63F3/02;E01F13/12
主分类号
A63F3/00
代理机构
代理人
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地址
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