Railway vehicle terminology Self-tipping car auxiliary equipment
GB/T 4549.13-1984 history
2004GB/T 4549.11-2004 Railway vehicle vocabulary Part 11:Equipments attached to the special purpose freight car
1984GB/T 4549.13-1984 Rolling stock terms--Equipments attached to the side dump car
GB/T 4549.13-1984 Rolling stock terms--Equipments attached to the side dump car was changed to GB/T 4549.11-2004 Railway vehicle vocabulary Part 11:Equipments attached to the special purpose freight car.