发明名称 Concrete railroad tie with guide plates for the rail base
摘要 A concrete railroad tie, especially a two-block railroad tie, with an elastic rail support for ballast and solid tracks, with guide plates with twisting-prevention devices disposed in the supporting region between the base of the rail and the lateral, raised shoulders of the railroad tie, characterized in that the support area is constructed essentially flat without continuous, deep depressions.
申请公布号 US7156319(B2) 申请公布日期 2007.01.02
申请号 US20030621765 申请日期 2003.07.17
申请人 PFLEIDERER INFRASTRUKTECHNIK GMBH & CO. KG 发明人 KOWALSKI MARTIN
分类号 E01B9/00;E01B1/00;E01B3/28;E01B9/38;E01B9/40 主分类号 E01B9/00
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