Home / Standards / GB/T 34531-2017 GB/T 34531-2017 Active Periodic inspection and evaluation of liquefied dimethyl ether steel cylinders 液化二甲醚钢瓶定期检验与评定 Standard Type GBT ICS 23.020.30 CCS J74 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A