Short clips for grooveless flat bottom rails - Dimensions, steel types
无槽平底轨道用短夹.尺寸.钢型

1995-11-01

Crane rails; hot rolled flat bottom crane rails (type A); dimensions, section parameters and steel grades
克雷恩·雷尔斯；带底脚法兰的起重机轨道的尺寸、截面特性和钢等级 表A

1991-09-01