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发明名称
Improvements in and relating to road surfaces, road foundations and similar layers
摘要
申请公布号
GB576467(A)
申请公布日期
1946.04.05
申请号
GB19390017020
申请日期
1939.06.09
申请人
LOVELL NEWTON REDDIE
发明人
分类号
E01C7/08
主分类号
E01C7/08
代理机构
代理人
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