Home / Standards / GB/T 39682-2020 GB/T 39682-2020 Active Fine ceramics—Determination of elastic modulus at high temperature or ultra-high temperature—Split ring relative method 精细陶瓷 高温和超高温弹性模量的测定 缺口环相对法 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A