Home / Standards / GB/T 38986-2020 GB/T 38986-2020 Active Methods of descaling and cleaning for zirconium and zirconium alloy surfaces 锆及锆合金表面除鳞和清洁方法 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2020-07-21 Implementation 2021-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A