Home / Standards / GB/T 320-2025 GB/T 320-2025 Active Synthetic hydrochloric acid for industrial use 工业用合成盐酸 Standard Type GBT ICS 71.060.30 CCS G11 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A