Feldspar and quartzfeldapar raw material for glass industry. Specifications
NORM herausgegeben am 1.1.1979
Designation standards: GOST 13451-77
Publication date standards: 1.1.1979
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 2.84
Amd. 1.86
Amd. 11.90
Amd. 6.91