Home / Standards / GB/T 33337-2016 GB/T 33337-2016 Active Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid 氟硅酸回收法无水氟化氢 Standard Type GBT ICS 71.060.30 CCS G11 Status 现行 Issue Date 2016-12-13 Implementation 2017-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A