Total de documentos encontrados 393

Resultados (393)

ADICIONAR TODOS | REMOVER TODOS
  • Partilhar
  • Imprimir
  • Exportar
  • RSS 2.0
    • X
    Dados para exportação

    EN 14012 [documento eletrónico] : Postal services - quality of service - complaints handling principles


    2019
    Normas
    MonografiasMonografias

    EN 13850 [documento eletrónico] : postal services - quality of services - measurement of the transit time of end-to-end services for single piece priority mail and first class mail


    2020
    Normas
    MonografiasMonografias

    EN 50065-1 [documento eletrónico] : signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz; : Part 1; : general requirements, frequency bands and electromagnetic disturbances / European Committee for Electrotechnical Standardization


    2011
    Normas
    MonografiasMonografias

    EN 50470-3 [documento eletrónico] : electricity metering equipment (a.c.); : Part 3; : particular requirements - static meters for active energy (class indexes A, B and C) / European Committee for Electrotechnical Standardization


    2006
    Normas
    MonografiasMonografias

    EN 50470-3/A1 [documento eletrónico] : electricity metering equipment (a.c.); : Part 3; : particular requirements - static meters for active energy (class indexes A, B and C) / European Committee for Electrotechnical Standardization


    2018
    Normas
    MonografiasMonografias

    EN 50173-1 [documento eletrónico] : information technology; : generic cabling systems; : part 1; : general requirements / European Commitee for Electrothecnical Standardization


    2011
    Normas
    MonografiasMonografias

    EN 50399 [documento eletrónico] : common test methods for cables under fire conditions; : heat release and smoke production measurement on cables during flame spread test; : test apparatus, procedures, results / European Commitee for Electrothecnical Standardization


    2011
    Normas
    MonografiasMonografias

    EN 50310 [documento eletrónico] : telecommunications bonding networks for buildings and other structures / European Commitee for Electrothecnical Standardization


    2016
    Normas
    MonografiasMonografias

    EN 50399:2011/A1 [documento eletrónico] : common test methods for cables under fire conditions; : heat release and smoke production measurement on cables during flame spread test; : test apparatus, procedures, results / European Commitee for Electrothecnical Standardization


    2016
    Normas
    MonografiasMonografias

    EN 50288-11-2 [documento eletrónico] : multi-element metallic cables use in analogue and digital communication and control - Part 11-2; : sectional specification for un-screened cables, characterized from 1 MHz up to 500 MHz for work area, patch cord and data centre applications / European Commitee for Electrothecnical Standardization


    2015
    Normas
    MonografiasMonografias

    EN 50288-12-1 [documento eletrónico] : multi-element metallic cables use in analogue and digital communication and control - Part 12-1; : sectional specification for screened cables characterised from 1 MHz up to 2 000 MHz -horizontal and building backbone cables / European Commitee for Electrothecnical Standardization


    2017
    Normas
    MonografiasMonografias

    EN 50288-5-2 [documento eletrónico] : multi-element metallic cables use in analogue and digital communication and control - Part 5-2; : sectional specification for screened cables characterized up to 250 MHz -work area and patch cord cables / European Commitee for Electrothecnical Standardization


    2013
    Normas
    MonografiasMonografias

    Dispersão por temas

    Dispersão por Autores

    Dispersão por Descritores

    Dispersão por Data Publicação

    Dispersão por tipo de documento