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发明名称
Guard rail
摘要
申请公布号
US2035155(A)
申请公布日期
1936.03.24
申请号
US19340739827
申请日期
1934.08.14
申请人
THE AMERICAN STEEL AND WIRE COMPANY OF NEW JERSEY
发明人
GLEASON GEORGE A.;HAYDEN ALBERT P.
分类号
E01F15/04
主分类号
E01F15/04
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代理人
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