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经营范围
发明名称
Improved temporary roadway, pavement or like supporting surface
摘要
申请公布号
GB659721(A)
申请公布日期
1951.10.24
申请号
GB19490028309
申请日期
1949.11.04
申请人
VASSAL CHARLES STEER-WEBSTER
发明人
分类号
E01C9/08
主分类号
E01C9/08
代理机构
代理人
主权项
地址
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