This part defines terms such as railway vehicle doors, windows and their opening and closing devices. This part is applicable to the standards, technical documents and technical publications of railway vehicles.
GB/T 4549.6-2004 history
2004GB/T 4549.6-2004 Railway vehicle vocabulary Part 6:Doors,windows and their operating devices
1984GB/T 4549.6-1984 Rolling stock terms--Doors,windows and their operating devices