Normativa ISO UNE gratis

Fecha de publicación: 28/05/1991 Amendment 1 – Sound system equipment. Part 12: Application of connectors for broadcast and similar use IEC 60268-12:1987/AMD1:1991

Fecha de publicación: 15/06/1991 Specification for glass and glass polyester fibre woven tapes – Part 1: Definitions, classification and general requirements IEC 61067-1:1991

Fecha de publicación: 15/06/1991 Specification for polyester fibre woven tapes – Part 1: Definitions, designation and general requirements IEC 61068-1:1991

Fecha de publicación: 17/06/1991 Specification for polyester fibre woven tapes – Part 2: Methods of test IEC 61068-2:1991

Fecha de publicación: 20/06/1991 Round wire concentric lay overhead electrical stranded conductors IEC 61089:1991

Fecha de publicación: 28/06/1991 Connectors for frequencies below 3 MHz for use with printed boards – Part 1: Generic specification – General requirements and guide for the preparation of detail specifications, with assessed quality IEC 60603-1:1991+AMD1:1992 CSV

Fecha de publicación: 28/06/1991 Connectors for frequencies below 3 MHz for use with printed boards – Part 1: Generic specification – General requirements and guide for the preparation of detail specifications, with assessed quality IEC 60603-1:1991

Fecha de publicación: 20/07/1991 Digital audio tape cassette system – Part 2: DAT calibration tape IEC 61119-2:1991

Fecha de publicación: 22/07/1991 Quartz crystal units for frequency control and selection – Part 2: Guide to the use of quartz crystal units for frequency control and selection – Section One: Quartz crystal units for microprocessor clock supply IEC 60122-2-1:1991

Fecha de publicación: 01/08/1991 Corrigendum 1 – Specification for solventless polymerisable resinous compounds used for electrical insulation – Part 2: Methods of test – Test methods for coating powders for electrical purposes IEC 60455-2-2:1984/COR1:1991