冶金类标准查询 标准列表_中国标准在线服务网

网站介绍:ISO 7054:2024 EN 09f89172 Corrosion of metals and alloys — Wiping method for measurements of gases and particles on real structures and equipment; ISO 9812:2024 EN 0c803953 null; ISO 14404-3:2024 EN 83ceeb94 Calculation method of carbon dioxide emission intensity from iron and steel production — Part 3: Steel plant with electric arc furnace (EAF) and coal-based or gas-based direct reduction iron (DRI) facility; ISO 14404-2:2024 EN 98de8373 null; ISO 14404-1:2024 EN 2b35d8ae null; ISO 9658:2024