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ISO 2975-6:1977 (R2013) Measurement of water flow in closed conduits — Tracer methods — Part 6: Transit time method using non-radioactive tracers
ISO 1858:1977 (R2010) Information processing — General purpose hubs and reels, with 76 mm (3 in) centrehole, for magnetic tape used in interchange instrumentation applications
ISO 1858:1977 (R2010) Information processing — General purpose hubs and reels, with 76 mm (3 in) centrehole, for magnetic tape used in interchange instrumentation applications
ISO 1858 (1977-02) ISO 1858:1977 Information processing - General purpose hubs and reels, with 76 mm (3 in) centrehole, for magnetic tape used in interchange instrumentation applications
ISO 1858 (1977-02) ISO 1858:1977 Information processing - General purpose hubs and reels, with 76 mm (3 in) centrehole, for magnetic tape used in interchange instrumentation applications
ISO 2775:1977 (R2010) Office machines and printing machines used for information processing -- Widths of one-time paper or plastic printing ribbons and marking to indicate the end of the ribbons
ISO 2775:1977 (R2010) Office machines and printing machines used for information processing -- Widths of one-time paper or plastic printing ribbons and marking to indicate the end of the ribbons
ISO 482:1977 (R2015) Aircraft — Propulsion units and components — Methods of numbering and describing direction of rotation
ISO 3974:1977 (R2017) Definitions of living animals for slaughter — Ovines
ISO 482:1977 (R2015) Aircraft — Propulsion units and components — Methods of numbering and describing direction of rotation
ISO 1392:1977 (R2016) Determination of crystallizing point — General method
ISO 1385-1:1977 (R2018) Phthalate esters for industrial use — Methods of test — Part 1: General