ISO 7991 : 1987(R2010)现行
GLASS - DETERMINATION OF COEFFICIENT OF MEAN LINEAR THERMAL EXPANSION
出版：International Organization for Standardization
专家解读视频
Not relevant for glasses of low linear thermal expansion coefficient.
DIN ISO 7991 : 1998 - Identical
DIN ISO 7991 E : 1998 - Identical
BIS IS 5623 : 2012(R2017) - Identical
DIN ISO 7991 : 1998 - Identical
DIN 52328 : 1985 - Similar to
BIS IS 5623 : 2012(R2017) - Identical
DIN ISO 7991 E : 1998 - Identical
DIN 52328 E : 1985 - Similar to
SAC GB/T 16920 : 1997 - Identical
SAC GB/T 16920 : 1997 - Identical
UNE 400308 : 1997 - Similar to
