Home / Standards / GB/T 35922-2018 GB/T 35922-2018 Active Technical specifications of impervious graphite to impermeable and corrosion 不透性石墨浸渍耐蚀作业技术规范 Standard Type GBT ICS 59.100 CCS Q50 Status 现行 Issue Date 2018-02-06 Implementation 2018-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A