GB/T 40408-2021高温气冷堆堆内构件用核级等静压石墨标准
英文:Nuclear grade isostatic graphite for high temperature gas-cooled reactor internals GB/T 40408-2021介绍: 国家标准《高温气冷堆堆内构件用...
英文:Nuclear grade isostatic graphite for high temperature gas-cooled reactor internals GB/T 40408-2021介绍: 国家标准《高温气冷堆堆内构件用...