Home / Standards / GB/T 23711.4-2019 GB/T 23711.4-2019 Active Test method for pressure vessels lined with plastics—Part 4:Negative pressure inspection 塑料衬里压力容器试验方法 第4部分:耐负压检验 Standard Type GBT ICS 71.120;83.140 CCS G94 Status 现行 Issue Date 2019-12-10 Implementation 2020-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A