ISO 4312:1979/Add 1:1983 Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth — Addendum 1
1989ISO 4312:1989 Surface active agents; evaluation of certain effects of laundering; methods of analysis and test for unsoiled cotton control cloth
1983ISO 4312:1979/Add 1:1983 Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth — Addendum 1
1979ISO 4312:1979 Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth