Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 °C — Testing and classification
NORMA vydaná dňa 2.9.2025
Designation standards: ISO 9689:2025-ed.2.0
Publication date standards: 2.9.2025
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: International technical standard
Kategória: Technické normy ISO