Normativa ISO UNE gratis

Fecha de publicación: 01/02/1977 Non-ionic surface active agents — Determination of cloud point index — Volumetric method ISO 4320:1977

Fecha de publicación: 01/02/1977 Permeable sintered metal materials — Determination of bubble test pore size ISO 4003:1977

Fecha de publicación: 01/02/1977 Aluminium and aluminium alloys — Determination of copper — Atomic absorption spectrophotometric method ISO 3980:1977

Fecha de publicación: 01/02/1977 Aluminium and aluminium alloys — Determination of nickel — Atomic absorption spectrophotometric method ISO 3981:1977

Fecha de publicación: 01/02/1977 Definitions of living animals for slaughter — Ovines ISO 3974:1977

Fecha de publicación: 01/02/1977 End-suction centrifugal pumps — Baseplate and installation dimensions ISO 3661:1977

Fecha de publicación: 01/02/1977 Continuous mechanical handling equipment — Classification and symbolization of bulk materials ISO 3435:1977

Fecha de publicación: 01/02/1977 Measurement of water flow in closed conduits — Tracer methods — Part 6: Transit time method using non-radioactive tracers ISO 2975-6:1977

Fecha de publicación: 01/02/1977 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

Fecha de publicación: 01/02/1977 Information processing — General purpose hubs and reels, with 76 mm (3 in) centrehole, for magnetic tape used in interchange instrumentation applications ISO 1858:1977