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发明名称
LAYING CONCRETE/OTHER MATERIALS
摘要
申请公布号
GB8422368(D0)
申请公布日期
1984.10.10
申请号
GB19840022368
申请日期
1984.09.05
申请人
CLARKE, A
发明人
分类号
E01C19/15;E01C19/48
主分类号
E01C19/15
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代理人
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