无色光学玻璃测试方法 杨氏模量、剪切模量及泊松比测试方法
Colourless optical glass test methods--Young’s mod-ulus, torsional rigidity modulus, Poisson’s ratio
标准状态
发布于:1987-06-20
实施于:1987-12-01
已废止
Colourless optical glass test methods--Young’s mod-ulus, torsional rigidity modulus, Poisson’s ratio