Railway vehicle noun term tank car accessory equipment
GB/T 4549.12-1984 history
2004GB/T 4549.11-2004 Railway vehicle vocabulary Part 11:Equipments attached to the special purpose freight car
1984GB/T 4549.12-1984 Rolling stock terms--Equipments attached to the tank car
GB/T 4549.12-1984 Rolling stock terms--Equipments attached to the tank car was changed to GB/T 4549.11-2004 Railway vehicle vocabulary Part 11:Equipments attached to the special purpose freight car.