Home / Standards / GB/T 37581-2019 GB/T 37581-2019 Active Requirements for impervious graphite equipment corrosion control engineering life cycle 不透性石墨设备腐蚀控制工程全生命周期要求 Standard Type GBT ICS 03.100.99 CCS A01 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A