Home / Standards / GB/T 34700-2017 GB/T 34700-2017 Active Rare earth type selective catalytic reduction(SCR) denitration catalysts 稀土型选择性催化还原(SCR)脱硝催化剂 Standard Type GBT ICS 71.100.99 CCS G75 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A