AENOR Logo

Normas IEC

25074 Resultados disponibles

Filtrar:

(13599)
(11475)
IEC

IEC 60747-16-5:2013+AMD1:2020 CSV

En Vigor
2020-07-14
Semiconductor devices - Part 16-5: Microwave integrated circuits - Oscillators
 
IEC

IEC 60061-4:1990/AMD9:2004

En Vigor
2004-11-25
Amendment 9 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 4: Guidelines and general information
 
IEC

IEC 60794-1-401:2021

En Vigor
2021-07-27
Optical fibre cables - Part 1-401: Generic specification - Basic optical cable test procedures - Electrical test methods - Short-circuit test (for OPGW, OPPC and OPAC), Method H1
 
IEC

IEC 60152:2021

En Vigor
2021-07-09
Designation of phase differences by hour numbers in three-phase AC systems