Home / Standards / GB/T 18881-2009 GB/T 18881-2009 Abolished Catalyst for light-duty petrol vehicle exhaust purification 轻型汽油车排气净化催化剂 Standard Type GBT ICS 71.100.40 CCS G75 Status 废止 Issue Date 2009-04-23 Implementation 2010-02-01 Responsible Dept 国家标准委 Drafting Unit N/A