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ISO 1923:1981Cellular plastics and rubbers - Determination of linear dimensionsstandard by International Organization for Standardization, 09/01/1981
ISO 5887:1981 [ Withdrawn ]Aircraft - Joints for connecting crew members regulator masks to oxygen sources'standard by International Organization for Standardization, 09/01/1981
ISO 759:1981Volatile organic liquids for industrial use -- Determination of dry residue after evaporation on water bath -- General methodstandard by International Organization for Standardization, 09/01/1981
ISO 6796:1981Polyglycols for industrial use -- Determination of hydroxyl number -- Phthalic anhydride esterification methodstandard by International Organization for Standardization, 09/01/1981
ISO 6779:1981Acceptance conditions for broaching machines of vertical internal type - Testing of accuracystandard by International Organization for Standardization, 09/01/1981
ISO 4948-2:1981Steels -- Classification -- Part 2: Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristicsstandard by International Organization for Standardization, 09/01/1981
ISO 590:1981Oil of brazilian sassafrasstandard by International Organization for Standardization, 09/01/1981
ISO 649-2:1981Laboratory glassware - Density hydrometers for general purposes - Part 2 : Test methods and usestandard by International Organization for Standardization, 09/01/1981
ISO 7274:1981 [ Withdrawn ]Wrought aluminium and aluminium alloys - Drawn round bars - Tolerances on shape and dimensions (All minus tolerances on diameter)standard by International Organization for Standardization, 09/01/1981
ISO 5523:1981Liquid fruit and vegetable products -- Determination of sulphur dioxide content (Routine method)standard by International Organization for Standardization, 08/01/1981
ISO 5521:1981Fruits, vegetables and derived products -- Qualitative method for the detection of sulphur dioxidestandard by International Organization for Standardization, 08/01/1981
ISO 5520:1981Fruits, vegetables and derived products -- Determination of alkalinity of total ash and of water-soluble ashstandard by International Organization for Standardization, 08/01/1981