
Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of particle size distribution by mechanical sieving
出版:International Organization for Standardization

专家解读视频
1ED 1974
GB/T 9984.8-2004 - Modified
GB/T 13173-2008 - Modified
BS 4427-5:1974 - Equivalent
UNE 55550:1978 (R1998) - Identical