ISO 3101:1981 [ Withdrawn ] Wheels and castors; Triangular top plates with three fixing holes standard by International Organization for Standardization, 10/01/1981
ISO 6761:1981 [ Withdrawn ] Steel tubes -- Preparation of ends of tubes and fittings for welding standard by International Organization for Standardization, 10/01/1981
ISO 2169:1981 Fruits and vegetables -- Physical conditions in cold stores -- Definitions and measurement standard by International Organization for Standardization, 10/01/1981
ISO 2166:1981 Carrots -- Guide to storage standard by International Organization for Standardization, 10/01/1981
ISO 6636-2:1981 Fruits, vegetables and derived products -- Determination of zinc content -- Part 2: Atomic absorption spectrometric method standard by International Organization for Standardization, 10/01/1981
ISO 5050:1981 Continuous mechanical handling equipment - Vertical bucket elevators with calibrated round steel link chains - General characteristics standard by International Organization for Standardization, 10/01/1981
ISO 787-7:1981 General methods of test for pigments and extenders - Part 7 : Determination of residue on sieve - Water method - Manual procedure standard by International Organization for Standardization, 10/01/1981
ISO 7119:1981 Continuous mechanical handling equipment for loose bulk materials - Screw conveyors - Design rules for drive power standard by International Organization for Standardization, 10/01/1981
ISO 3639:1981 Cinematography -- Projection reels/spools 75 to 312 mm diameter for 8 mm Type S motion-picture film -- Dimensions and specifications standard by International Organization for Standardization, 10/01/1981
ISO 4520:1981 Chromate conversion coatings on electroplated zinc and cadmium coatings standard by International Organization for Standardization, 10/01/1981
ISO 6743-2:1981 Lubricants, industrial oils and related products (class L) -- Classification -- Part 2: Family F (Spindle bearings, bearings and associated clutches) standard by International Organization for Standardization, 10/01/1981
ISO 1179:1981 Pipe connections, threaded to ISO 228/1, for plain end steel and other metal tubes in industrial applications standard by International Organization for Standardization, 10/01/1981