Electrical apparatus for use in the presence of combustible dust—Part 9:Test methods—Method for determining the electrical resistivity of dust in layers
NORM herausgegeben am 9.8.2010
Designation standards: GB/T 12476.9-2010
Note: UNGÜLTIG
Publication date standards: 9.8.2010
Country: Chinese technical standard
Kategorie: Technische Normen GB