Home / Standards / GB/T 37780-2019 GB/T 37780-2019 Active Test method for elastic modulus,shear modulus and Poisson's ratio of glass 玻璃材料弹性模量、剪切模量和泊松比试验方法 Standard Type GBT ICS 81.040.10 CCS Q30 Status 现行 Issue Date 2019-08-30 Implementation 2020-07-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A