ISO 3442:1991 Self-centring chucks for machine tools with two-piece jaws (tongue and groove type) - Sizes for interchangeability and acceptance test specifications standard by International Organization for Standardization, 09/01/1991
ISO 10499-1:1991 Industrial tyres and rims -- Rubber solid tyres (metric series) for pneumatic tyre rims -- Part 1: Designation, dimensions and marking standard by International Organization for Standardization, 09/01/1991
ISO 7911:1991 Unshelled pine nuts -- Specification standard by International Organization for Standardization, 09/01/1991
ISO 9233:1991 Cheese and cheese rind -- Determination of natamycin content -- Method by molecular absorption spectrometry and by high-performance liquid chromatography standard by International Organization for Standardization, 09/01/1991
ISO 9202:1991 Jewellery -- Fineness of precious metal alloys standard by International Organization for Standardization, 09/01/1991
ISO 2110/Amd1:1991 Interface connector and contact number assignments for a DTE/DCE interface for data signalling rates above 20 000 bit/s per second Amendment by International Organization for Standardization, 09/01/1991
ISO 6935-2:1991 Steel for the reinforcement of concrete - Part 2: Ribbed bars standard by International Organization for Standardization, 09/01/1991
ISO 9230:1991 Information and documentation -- Determination of price indexes for books and serials purchased by libraries standard by International Organization for Standardization, 09/01/1991
ISO 10202-1:1991 Financial transaction cards - Security architecture of financial transaction systems using integrated circuit cards - Part 1: Card life cycle standard by International Organization for Standardization, 09/01/1991
ISO 8841:1991 Dense, shaped refractory products - Determination of permeability to gases standard by International Organization for Standardization, 09/01/1991
ISO 9707:1991 Information and documentation -- Statistics on the production and distribution of books, newspapers, periodicals and electronic publications standard by International Organization for Standardization, 09/01/1991
ISO 9685:1991 Iron ores -- Determination of nickel and/or chromium contents -- Flame atomic absorption spectrometric method standard by International Organization for Standardization, 09/01/1991