A 500 _ 03 ;Qtuwmc1sruq
API Spec 13a Sec9
T 19-09 [Bulk Density (Unit Weight) and Voids in Aggregate]
ppe-2012
En-13674-1 Rail - Vignole Railway Rails 46kg Per m and Above
GB 2585 - 2007 Hot-rolled Steel Rails for Railway
T 11-05 (2009) [Materials Finer Than 75-Microm (No. 200) Sieve in Mineral Aggregates by Washing]
Sổ Tay ATLĐ- Final Draft