Home / Standards / GB/T 39535-2020 GB/T 39535-2020 Active Test method for shore hardness of carbon materials 炭素材料肖氏硬度测定方法 Standard Type GBT ICS 29.050 CCS Q50 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A