Home / Standards / GB 33147-2025 GB 33147-2025 Upcoming Liquefied dimethyl ether steel gas cylinders 液化二甲醚钢瓶 Standard Type GB ICS 23.020.30 CCS J 74 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 市场监管总局 Drafting Unit N/A