NF S10-017*NF ISO 9689:1994 Raw optical glass. Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees celsius. Testing and classification.
1994NF S10-017*NF ISO 9689:1994 Raw optical glass. Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees celsius. Testing and classification.