Home / Standards / GB/T 31329-2025 GB/T 31329-2025 Active Technical specification for water-saving in circulating cooling water system 循环冷却水节水技术规范 Standard Type GBT ICS 71.100.40;13.060.25 CCS G76 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A