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发明名称
BARRIER
摘要
申请公布号
GB8801853(D0)
申请公布日期
1988.02.24
申请号
GB19880001853
申请日期
1988.01.28
申请人
MCCULLOCH, M L
发明人
分类号
E02B7/00;E02D19/02;E02D29/09
主分类号
E02B7/00
代理机构
代理人
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地址
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