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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 7962.23-2019 |
Test method of colourless optical glass—Part 23: Resistance to climatic 无色光学玻璃测试方法 第23部分:耐气候稳定性 |
China National Standards Test method of colou |
English PDF |
GB/T 7962.22-2019 |
Test method of colourless optical glass—Part 22:Resistance to attack by aqueous alkaline phosphate-containing 无色光学玻璃测试方法 第22部分:耐磷酸稳定性 |
China National Standards Test method of colou |
English PDF |
GB/T 7962.21-2019 |
Test method of colourless optical glass—Part 21:Resistance to attack by aqueous alkaline solutions 无色光学玻璃测试方法 第21部分:耐碱稳定性 |
China National Standards Test method of colou |
English PDF |
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