DIN 27201-12 E:2021-09 State of railway vehicles - Basic principles and production technology - Part 12: Mandatory supervision equipments permanently installed in railway vehicles
1970DIN 27201-12 E:2021-09 State of railway vehicles - Basic principles and production technology - Part 12: Mandatory supervision equipments permanently installed in railway vehicles
2009DIN 27201-12:2009 State of railway vehicles - Basic principles and production technology - Part 12: Mandatory supervision equipments permanently installed in railway vehicles
1970DIN 27201-12 E:2008-02 State of railway vehicles - Basic principles and production technology - Part 12: Mandatory supervision equipments permanently installed in railway vehicles