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ISO 4153:1981Aircraft - Pressure fuel dispensing system - Test procedure and limit value for shut-off surge pressurestandard by International Organization for Standardization, 11/01/1981
ISO 1388-6:1981Ethanol for industrial use -- Methods of test -- Part 6 : Test for miscibility with waterstandard by International Organization for Standardization, 11/01/1981
ISO 1388-7:1981Ethanol for industrial use -- Methods of test -- Part 7 : Determination of methanol content (methanol contents between 0,01 and 0,20 % (V/V)) -- Photometric methodstandard by International Organization for Standardization, 11/01/1981
ISO 1388-10:1981Ethanol for industrial use -- Methods of test -- Part 10 : Estimation of hydrocarbons content -- Distillation methodstandard by International Organization for Standardization, 11/01/1981
ISO 1388-1:1981Ethanol for industrial use -- Methods of test -- Part 1 : Generalstandard by International Organization for Standardization, 11/01/1981
ISO 621:1981 [ Withdrawn ]Manganese ores -- Determination of metallic iron content (metallic iron content not exceeding 2 %) -- Sulphosalicylic acid photometric methodstandard by International Organization for Standardization, 11/01/1981
ISO 5373:1981Condensed phosphates for industrial use (including foodstuffs) -- Determination of calcium content -- Flame atomic absorption spectrometric methodstandard by International Organization for Standardization, 11/01/1981
ISO 5925-1:1981Fire tests - Evaluation of performance of smoke control door assemblies - Part 1 : Ambient temperature teststandard by International Organization for Standardization, 11/01/1981
ISO 6791:1981Carbonaceous materials for the production of aluminium -- Pitch for electrodes -- Determination of contents of quinoline-insoluble materialstandard by International Organization for Standardization, 11/01/1981
ISO 501:1981 [ Withdrawn ]Coal; Determination of the crucible swelling numberstandard by International Organization for Standardization, 11/01/1981
ISO 738:1981 [ Withdrawn ]Coniferous sawn timber -- Sizes -- Permissible deviations and shrinkagestandard by International Organization for Standardization, 11/01/1981
ISO 1995:1981Aromatic hydrocarbons -- Samplingstandard by International Organization for Standardization, 11/01/1981