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经营范围
发明名称
An improved manufacture of roads, yards, aerodromes and like surfaces, and means therefor
摘要
申请公布号
GB423498(A)
申请公布日期
1935.02.04
申请号
GB19330016009
申请日期
1933.06.02
申请人
PERMANENT ROADS LIMITED;JAMES BICKLEY
发明人
分类号
E01C3/00
主分类号
E01C3/00
代理机构
代理人
主权项
地址
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