Chemical analysis of sodium oxide-potasium oxide-boric oxide-alumina- silica glass
STANDARD published on 1.4.1990
Designation standards: STN 700608
Classification mark: 700608
Catalog number: 67802
Publication date standards: 1.4.1990
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN