| 摘要 |
<p>1514213 Railway rails G GIROUD 13 June 1975 [12 July 1974] 25459/75 Heading EIG A centrally-grooved railway rail suitable for centrally-heavy duty flanged or laterallyflanged wheels has two flat or inclined-topped tread portions 1, 1' integrally connected by a horizontal web 5 forming a flat-bottomed channel 6. As shown the web 5 is part of a horizontally-flanged base. In modifications providing an H-section rail the web integrally connecting the two rail treads is spaced above the base plane of the rail.</p> |
