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ISO 3114:1977 (R2017) Unplasticized polyvinyl chloride (PVC) pipes for potable water supply — Extractability of lead and tin — Test method
ISO 3970:1977 Modular units for machine tool construction — Integral way columns — Floor-mounted type
ISO 4001:1977 (R2018) Shipbuilding — Inland navigation — Raft-type life-saving apparatus
ISO 3970:1977 Modular units for machine tool construction — Integral way columns — Floor-mounted type
ISO 4001:1977 (R2018) Shipbuilding — Inland navigation — Raft-type life-saving apparatus
ISO 4281:1977 (R2018) Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method
ISO 4281:1977 (R2018) Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method
ISO 2975-6:1977 (R2013) Measurement of water flow in closed conduits — Tracer methods — Part 6: Transit time method using non-radioactive tracers
ISO 2775 (1977-02) ISO 2775:1977 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 (1977-02) ISO 2775:1977 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 3661:1977 End-suction centrifugal pumps — Baseplate and installation dimensions
ISO 3661:1977 End-suction centrifugal pumps — Baseplate and installation dimensions