Railway applications—Fixed installations—DC switchgear—Part 7-3: Measurement, control and protection devices for specific use in d.c. traction systems—Isolating voltage transducers and other voltage measuring devices
NORMA vydaná dňa 10.1.2011
Designation standards: GB/T 25890.9-2010
Publication date standards: 10.1.2011
Country: Chinese technical standard
Kategória: Technické normy GB