Home / Standards / GB/T 41312.1-2022 GB/T 41312.1-2022 Active Test method for measurement of the permeability of chemical equipment—Part 1: Graphite and lining equipment 化工用设备渗透性检测方法 第1部分:石墨及其衬里设备 Standard Type GBT ICS 71.120;83.140 CCS G94 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A