Normativa ISO UNE gratis

Fecha de publicación: 30/01/1989 Packaging of winding wires. Part 2: Cylindrical barrelled delivery spools. Section One: Basic dimensions IEC 60264-2-1:1989

Fecha de publicación: 15/04/1989 Methods of measurement for radio transmitters. Part 11: Transposers for FM sound broadcasting IEC 60244-11:1989

Fecha de publicación: 01/05/1989 Telecontrol equipment and systems. Part 3: Interfaces (electrical characteristics) IEC 60870-3:1989

Fecha de publicación: 30/05/1989 Wires for wire wrapping applications IEC 60979:1989

Fecha de publicación: 15/06/1989 Test procedures for germanium gamma-ray detectors IEC 60973:1989

Fecha de publicación: 15/07/1989 Amendment 1 – Electrical installations in ships. Part 305: Equipment – Accumulator (storage) batteries IEC 60092-305:1980/AMD1:1989

Fecha de publicación: 15/08/1989 Electrolyte for vented nickel-cadmium cells IEC 60993:1989

Fecha de publicación: 15/09/1989 Amendment 1 – Paper-insulated metal-sheathed cables for rated voltages up to 18/30 kV (with copper or aluminium conductors and excluding gas-pressure and oil-filled cables). Part 2: General and construction requirements IEC 60055-2:1981/AMD1:1989

Fecha de publicación: 30/09/1989 Calculation of the cyclic and emergency current rating of cables. Part 2: Cyclic rating of cables greater than 18/30 (36) kV and emergency ratings for cables of all voltages IEC 60853-2:1989

Fecha de publicación: 15/11/1989 Line traps for a.c. power systems IEC 60353:1989