发明名称 RAIL FASTENER
摘要 <p>Rail fastening clips formed from metal plate which are formed into U shaped plate sections having tapered arms, the plate sections being subsequently bent and formed into a three dimensional rail fastener.</p>
申请公布号 CA1098880(A) 申请公布日期 1981.04.07
申请号 CA19780306228 申请日期 1978.06.26
申请人 MCKAY (RALPH) LIMITED 发明人 YOUNG, HARTLEY F.
分类号 B21D53/36;E01B9/28;E01B9/30;(IPC1-7):01B9/30 主分类号 B21D53/36
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