ČSN 441391 (441391)

Classification of hard coals by code numbers

NORM herausgegeben am 21.12.1966

The information about the standard:

Designation standards: ČSN 441391
Classification mark: 441391
Catalog number: 4071
Publication date standards: 21.12.1966
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN