Home / Standards / GB/T 35109-2017 GB/T 35109-2017 Active Static test method of nitrogen and oxygen separation for molecular sieves 分子筛氮氧分离静态测定方法 Standard Type GBT ICS 71.100.99 CCS G85 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A