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经营范围
发明名称
Improvements in or relating to road surfacing and like material
摘要
申请公布号
GB430979(A)
申请公布日期
1935.06.28
申请号
GB19330030840
申请日期
1934.07.11
申请人
WILLIAM FRANK REES;WILLIAM F. REES LIMITED
发明人
分类号
E01C7/18;E01C19/10
主分类号
E01C7/18
代理机构
代理人
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