Home / Standards / GB/T 29914-2025 GB/T 29914-2025 Active Oxidation catalyst for diesel vehicle exhaust purification 柴油车排气净化氧化催化剂 Standard Type GBT ICS 77.120.99 CCS H65 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A