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发明名称
Construction of roadways
摘要
申请公布号
US2025815(A)
申请公布日期
1935.12.31
申请号
US19330679328
申请日期
1933.07.07
申请人
Walter Horridge
发明人
Walter Horridge
分类号
E01C5/16
主分类号
E01C5/16
代理机构
代理人
主权项
地址
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