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发明名称
Highway sign support
摘要
申请公布号
US2765554(A)
申请公布日期
1956.10.09
申请号
US19530331248
申请日期
1953.01.14
申请人
THE UNION METAL MANUFACTURING COMPANY
发明人
ANDERSON W. CARL;DEWEY SYDNEY L.
分类号
E01F9/011
主分类号
E01F9/011
代理机构
代理人
主权项
地址
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