Home / Standards / GB/T 34971-2017 GB/T 34971-2017 Active Guide for gaseous effluent handling in semiconductor industry 半导体制造用气体处理指南 Standard Type GBT ICS 71.040.40 CCS G86 Status 现行 Issue Date 2017-11-01 Implementation 2018-02-01 Responsible Dept 国家标准委 Drafting Unit N/A