Home / Standards / GB/T 10504-2017 GB/T 10504-2017 Active Molecular sieve 3A 3A分子筛 Standard Type GBT ICS 71.100.99 CCS G85 Status 现行 Issue Date 2017-09-07 Implementation 2018-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A