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ISO 3139:1976/Amd 1:1980 Aqueous hydrofluoric acid for industrial use — Sampling and methods of test — Amendment 1
ISO 3139:1976/Amd 1:1980 Aqueous hydrofluoric acid for industrial use — Sampling and methods of test — Amendment 1
ISO 4326:1980 (R2019) Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method
ISO 4326:1980 (R2019) Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method
ISO 787-5:1980 (R2017) General methods of test for pigments and extenders — Part 5: Determination of oil absorption value
ISO 787-5:1980 (R2017) General methods of test for pigments and extenders — Part 5: Determination of oil absorption value
ISO 2602:1980 (R1998) Statistical interpretation of test results — Estimation of the mean — Confidence interval
ISO 2602:1980 (R1998) Statistical interpretation of test results — Estimation of the mean — Confidence interval
ISO 3835-3:1980 (R2010) Equipment for vine cultivation and wine making — Vocabulary
ISO 874:1980 (R2017) Fresh fruits and vegetables — Sampling
ISO 874:1980 (R2017) Fresh fruits and vegetables — Sampling
ISO 1839:1980 (R2018) Tea — Sampling