Home / Standards / GB/T 33578.1-2017 GB/T 33578.1-2017 Active Guideline of risk based inspection of complete units—Part 1:Ethylene units 成套装置基于风险的检验细则 第1部分:乙烯装置 Standard Type GBT ICS 23.020.30 CCS J74 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 国家标准委 Drafting Unit N/A