2018TB/T 2180-2018 Electrified Railway Catenary Maintenance Work Vehicle
2006TB/T 2180-2006 Technical specification for electrified catenary inspection & Maintenance railway working car
2002TB/T 3048-2002 Technical conditions for electrified railway trolley units
TB/T 3048-2002 Technical conditions for electrified railway trolley units was changed to TB/T 2180-2006 Technical specification for electrified catenary inspection & Maintenance railway working car.