DIN EN 50206-2:1999 Railway applications; rolling stock - Pantographs: Characteristics and tests - Part 2: Pantographs for metros and light rail vehicles; German version EN 50206-2:1999
2011DIN EN 50206-2:2011 Railway applications - Rolling stock - Pantographs: Characteristics and tests - Part 2: Pantographs for metros and light rail vehicles; German version EN 50206-2:2010
1999DIN EN 50206-2:1999 Railway applications; rolling stock - Pantographs: Characteristics and tests - Part 2: Pantographs for metros and light rail vehicles; German version EN 50206-2:1999