Railway applications—Fixed installations—DC switchgear—Part 7-1:Measurement,control and protection devices for specific use in d.c.traction systems—Application guide
NORMA vydaná dňa 10.1.2011
Designation standards: GB/T 25890.7-2010
Publication date standards: 10.1.2011
Country: Chinese technical standard
Kategória: Technické normy GB