ISO 3688:1999现行
Pulps - Preparation of laboratory sheets for the measurement of diffuse blue reflectance factor (ISO brightness)
出版：International Organization for Standardization
专家解读视频
NBN EN ISO 3668:2001 - Identical
JIS P 8212:1998 - Equivalent
BS ISO 3688:1999 - Identical
BS 4432-4:1980 - Identical
GB/T 8940.2-2002 - Equivalent
NFQ 50 012:1983 - Equivalent
KS M ISO 3688:2002 - Identical
AS/NZS 1301.466s:2005 - Identical
UNE 57061:2002 - Identical
NEN ISO 3688:1999 - Identical
