This part defines the terminology of heating, ventilation and air conditioning equipment for railway vehicles. This part applies to standards, technical documents and technical publications related to railway vehicles.
GB/T 4549.7-2004 history
2004GB/T 4549.7-2004 Railway vehicle vocabulary Part 7:Heating,ventilation and air conditioning equipment
1984GB/T 4549.7-1984 Rolling stock terms--Heating,ventilation and air conditioning equipment