发明名称 Crossing frog has point made up of two sections of same length mounted so that they can move horizontally and with expansion gap between
摘要 <p>The crossing frog has a point (2) made up of two sections (3, 4) of the same length. These are mounted so that they can move horizontally and with an expansion gap (15) between.</p>
申请公布号 DE10310042(A1) 申请公布日期 2004.09.16
申请号 DE2003110042 申请日期 2003.03.06
申请人 SCHRECK-MIEVES GMBH 发明人 SCHOLZ, CARSTEN;HASSENPFLUG, DIETER
分类号 E01B7/14;(IPC1-7):E01B7/14 主分类号 E01B7/14
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