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经营范围
发明名称
Improvements in or relating to devices or systems for constituting a running track or surface for vehicles
摘要
申请公布号
GB544244(A)
申请公布日期
1942.04.03
申请号
GB19390032154
申请日期
1939.12.13
申请人
SOCIETE AUXILIAIRE DE CONSTRUCTION
发明人
分类号
E01C9/10
主分类号
E01C9/10
代理机构
代理人
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