Home / Standards / GB/T 34496-2017 GB/T 34496-2017 Active Catalyst for heavy-duty gas engine vehicle exhaust purification 燃气重型车用排气净化催化剂 Standard Type GBT ICS 77.150.99 CCS G75 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A