ISO 10070:1991 Metallic powders - Determination of envelope-specific surface area from measurements of the permeability to air of a powder bed under steady-state flow conditions standard by International Organization for Standardization, 12/01/1991
ISO 9245:1991 Earth-moving machinery - Machine productivity - Vocabulary, symbols and units standard by International Organization for Standardization, 12/01/1991
ISO 10474:1991 Steel and steel products - Inspection documents standard by International Organization for Standardization, 12/01/1991
ISO 8035:1991 Commercial road vehicles and buses over 3,5 t - Front towing attachments standard by International Organization for Standardization, 12/01/1991
ISO 3767-2:1991 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment -- Symbols for operator controls and other displays -- Part 2: Symbols for agricultural tractors and machinery standard by International Organization for Standardization, 12/01/1991
ISO 9807:1991 [ Withdrawn ] Banking and related financial services; requirements for message authentication (retail) standard by International Organization for Standardization, 12/01/1991
ISO 1496-5:1991 Series 1 freight containers -- Specification and testing -- Part 5: Platform and platform-based containers standard by International Organization for Standardization, 12/01/1991
ISO 1496-4:1991 Series 1 freight containers -- Specification and testing -- Part 4: Non-pressurized containers for dry bulk standard by International Organization for Standardization, 12/01/1991
ISO 1827:1991 Rubber, vulcanized or thermoplastic - Determination of modulus in shear or adhesion to rigid plates - Quadruple shear method standard by International Organization for Standardization, 12/01/1991
ISO 8624:1991 Optics and optical instruments -- Ophthalmic optics -- Measuring system for spectacle frames standard by International Organization for Standardization, 11/15/1991
ISO 1219-1:1991 Fluid power systems and components -- Graphic symbols and circuit diagrams -- Part 1: Graphic symbols standard by International Organization for Standardization, 11/01/1991
ISO 6702-1:1991 Aircraft - Requirements for on-board weight and balance systems - Part 1: General standard by International Organization for Standardization, 11/01/1991