Aggregates for railway ballast
铁路道砟骨料

2013-05-31

Aggregates for railway ballast
铁路道砟骨料

2003-12-12

Aggregates-Aggregates for railway ballast. Guidance on the use of BS EN 13450
聚集体

2004-06-16

铁路碎石道床状态参数测试方法
Testing method of railway ballast bed parameters

2016-08-16

Draft Document - Aggregates for railway ballast - Part 1: Characteristics; German and English version prEN 13450-1:2021
文件草案.铁路道碴用骨料.第1部分:特性；德文和英文版本prEN 13450-1:2021

2021-07-01

Draft Document - Aggregates for railway ballast - Part 2: Complementary Information; German and English version prEN 13450-2:2021
文件草案.铁路道碴集料.第2部分:补充信息；德文版和英文版prEN 13450-2:2021

2021-07-01

Railway applications. Aerodynamics-Fundamentals for test procedures for train-induced ballast projection
铁路应用 空气动力

2021-05-10

Railway Telecommunications; ER-GSM frequencies; Part 2: ER-GSM additional radio conformance testing
铁路通信；ER-GSM频率；第2部分:ER-GSM附加无线电一致性测试

2011-11-01