2017DIN EN 16452/A1:2017 Railway applications - Braking - Brake blocks; German and English version EN 16452:2015/prA1:2017
2015DIN EN 16452:2015 Railway applications - Braking - Brake blocks; German version EN 16452:2015
2012DIN EN 16452:2012 Railway applications - Braking - Brake blocks; German version prEN 16452:2012
DIN EN 16452:2012 Railway applications - Braking - Brake blocks; German version prEN 16452:2012 was changed to LST EN 61557-8-2015 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems (IEC 61557-8:2014).