Normativa ISO UNE gratis

Fecha de publicación: 09/05/1997 Corrigendum 1 – Transmission of audio and/or video and related signals using infra-red radiation – Part 1: General IEC 61603-1:1997/COR1:1997

Fecha de publicación: 16/05/1997 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 1: Tests on cables and their accessories IEC 60055-1:1997

Fecha de publicación: 23/05/1997 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-27: Examinations and measurements – Measurement method for the hole location of a multiway connector plug IEC 61300-3-27:1997

Fecha de publicación: 23/05/1997 Amendment 1 – Round wire concentric lay overhead electrical stranded conductors IEC 61089:1991/AMD1:1997

Fecha de publicación: 10/06/1997 Connectors for optical fibres and cables – Part 14-2: Detail specification for fibre optic connector type SC/PC tuned terminated to single-mode fibre type B1 IEC 60874-14-2:1997

Fecha de publicación: 10/06/1997 Connectors for optical fibres and cables – Part 14-1: Detail specification for fibre optic connector type SC/PC standard terminated to multimode fibre type A1a, A1b IEC 60874-14-1:1997

Fecha de publicación: 10/06/1997 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use – Part 2: Format B IEC 61595-2:1997

Fecha de publicación: 17/06/1997 Short-circuit currents in d.c. auxiliary installations in power plants and substations – Part 2: Calculation of effects IEC 61660-2:1997

Fecha de publicación: 17/06/1997 Short-circuit currents in d.c. auxiliary installations in power plants and substations – Part 1: Calculation of short-circuit currents IEC 61660-1:1997

Fecha de publicación: 17/06/1997 Connectors for optical fibres and cables – Part 14-7: Detail specification for fibre optic connector type SC-APC 9° tuned terminated to single-mode fibre Type B1 IEC 60874-14-7:1997