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Raw optical glass — Resistance to attack by aqueous alkaline solutions at 50 degrees C — Test method and classification
90.93 Standard confirmed
Raw optical glass — Grindability with diamond pellets — Test method and classification
90.93 Standard confirmed
Raw optical glass — Resistance to attack by aqueous acidic solutions — Test method and classification
60.60 Standard published
Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
90.92 Standard to be revised
Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
40.20 DIS ballot initiated: 12 weeks
