ISO 7991:1987现行
Glass - Determination of coefficient of mean linear thermal expansion
出版：International Organization for Standardization
专家解读视频
BIS IS 5623:2012 (R2017) - Identical
DIN 52328 (1985-03) - Similar
KS L ISO 7991:2012 - Identical
GB/T 16920-1997 - Equivalent
KS L ISO 7991:2007 - Identical
KS L 2506:2009 - Modified
JIS R 3503:1994 - Equivalent
DIN ISO 7991 (1998-02) - Identical
BS 7030:1988 - Equivalent
UNE 400308:1997 - Similar
