Home / Standards / GB/T 19289-2019 GB/T 19289-2019 Active Methods of measurement of resistivity,density and stacking factor of electrical steel strip and sheet 电工钢带(片)的电阻率、密度和叠装系数的测量方法 Standard Type GBT ICS 77.040.99 CCS H21 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A