发明名称 Tie suitable for use on a track
摘要 A railroad track tie comprises a body formed at least partially of polymeric material, and a reinforcement totally encapsulated within the body, wherein there is at least one opening through the reinforcement with polymeric material therein.
申请公布号 US7204430(B2) 申请公布日期 2007.04.17
申请号 US20050058467 申请日期 2005.02.14
申请人 BARMAKIAN ANDREW;BARMAKIAN ANDREW DOUGLAS 发明人 BARMAKIAN ANDREW;BARMAKIAN ANDREW DOUGLAS
分类号 E01B3/00 主分类号 E01B3/00
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