ISO 2270:1989现行
Non-ionic surface active agents - Polyethoxylated derivatives - Iodometric determination of oxyethylene groups
出版：International Organization for Standardization
专家解读视频
NEN ISO 2270:1990 - Identical
KS M ISO 2270:2008 - Identical
BS 6829-4-4.3:1988 - Identical
GB/T 7385-2012 - Modified
NBN ISO 2270:1990 - Identical
NF ISO 2270:1989 - Identical
BS 6829-4.3:1990 - Equivalent
NFT 73 203:1972 - Identical
UNE 55518:1991 (R2001) - Identical
BS 3762:1964 - Similar
