
Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies
NORM herausgegeben am 30.12.1997
Designation standards: GB 7251.1-1997
Note: UNGĂśLTIG
Publication date standards: 30.12.1997
Country: Chinese technical standard
Kategorie: Technische Normen GB