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发明名称
Pavement structure
摘要
申请公布号
US2282519(A)
申请公布日期
1942.05.12
申请号
US19400371663
申请日期
1940.12.26
申请人
FORT PITT MALLEABLE IRON COMPANY
发明人
HOLMES EDWARD H.
分类号
E01C9/10
主分类号
E01C9/10
代理机构
代理人
主权项
地址
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