Normativa ISO UNE gratis

Fecha de publicación: 01/10/1991 Rotating electrical machines – Part 6: Methods of cooling (IC Code) IEC 60034-6:1991

Fecha de publicación: 15/10/1991 Rectangular connectors for frequencies below 3 MHz – Part 1:Generic specification – General requirements and guide for thepreparation of detail specifications for connectors with assessedquality IEC 60807-1:1991

Fecha de publicación: 15/10/1991 Amendment 2 – Sound system equipment. Part 11: Application of connectors for the interconnection of sound system components IEC 60268-11:1987/AMD2:1991

Fecha de publicación: 30/10/1991 Digital audio tape recorder reel to reel system, using 6,3 mmmagnetic tape, for professional use – Part 1: General requirements IEC 61120-1:1991

Fecha de publicación: 01/11/1991 Analogue pneumatic signal for process control systems IEC 60382:1991

Fecha de publicación: 01/11/1991 Reference tapes for video tape recorder systems IEC 61105:1991

Fecha de publicación: 15/11/1991 Digital audio tape recorder reel to reel system, using 6.3 mm magnetic tape, for professional use – Part 2: Format A IEC 61120-2:1991

Fecha de publicación: 15/11/1991 Digital audio tape recorder reel to reel system, using 6.3 mm magnetic tape, for professional use – Part 3: Format B IEC 61120-3:1991

Fecha de publicación: 25/11/1991 Compliance test procedures for steady-state availability IEC 61070:1991

Fecha de publicación: 29/11/1991 Methods of measurement on radio receivers for various classes of emission – Part 6: General purpose communication receivers IEC 60315-6:1991