Home / Standards / GB 7512-2023 GB 7512-2023 Active Valves for liquefied petroleum gas cylinders 液化石油气瓶阀 Standard Type GB ICS 23.020.30 CCS J16 Status 现行 Issue Date 2023-11-27 Implementation 2023-12-01 Responsible Dept 市场监管总局 Drafting Unit N/A