GB/T 7962.22-2019无色光学玻璃测试方法第22部分:耐磷酸稳定性国家标准
英文:Test method of colourless optical glass—Part 22:Resistance to attack by aqueous alkaline phosphate-containing GB/T 79...
英文:Test method of colourless optical glass—Part 22:Resistance to attack by aqueous alkaline phosphate-containing GB/T 79...