Norm-Entwurf
PR NF S10-017
; PR NF ISO 9689
PR NF S10-017
; PR NF ISO 9689
Raw optical glass - Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C - Testing and classification
Titel (englisch)
Raw optical glass - Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C - Testing and classification