GB/T 41312.1-2022化工用设备渗透性检测方法第1部分:石墨及其衬里设备标准
英文:Test method for measurement of the permeability of chemical equipment—Part 1: Graphite and lining equipment GB/T 4131...
英文:Test method for measurement of the permeability of chemical equipment—Part 1: Graphite and lining equipment GB/T 4131...