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发明名称
Highway guard
摘要
申请公布号
US2060128(A)
申请公布日期
1936.11.10
申请号
US19350025491
申请日期
1935.06.07
申请人
TRUSCON STEEL COMPANY
发明人
SCHULZ WALTER F.
分类号
E01F15/04
主分类号
E01F15/04
代理机构
代理人
主权项
地址
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