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发明名称
DRAINAGE CHANNELS
摘要
申请公布号
GB8816986(D0)
申请公布日期
1988.08.17
申请号
GB19880016986
申请日期
1988.07.16
申请人
DOW MAC CONCRETE LTD
发明人
分类号
E01C11/22;E03F3/04
主分类号
E01C11/22
代理机构
代理人
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