发明名称 Rail for railway vehicles, comprises non-elastomer foamed plastic moldings located under top of rail
摘要 Rail for railway vehicles, comprises moldings (4,5) located under the top of the rail (1), made of a non-elastomer foamed plastic, e.g. foamed polypropylene. The plastic has a weight of 35-350 g/l.
申请公布号 DE10142782(A1) 申请公布日期 2003.03.20
申请号 DE20011042782 申请日期 2001.08.31
申请人 ORTWEIN, HERMANN 发明人 ORTWEIN, HERMANN
分类号 E01B19/00;E01B21/02;(IPC1-7):E01B21/02 主分类号 E01B19/00
代理机构 代理人
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