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IEC
IEC 62439-2:2021
En Vigor
2021-12-15
Industrial communication networks - High availability automation
networks - Part 2: Media Redundancy Protocol (MRP)
IEC
IEC 60061-1:1969/AMD38:2006
En Vigor
2006-12-14
Amendment 38 - Lamp caps and holders together with gauges for the
control of interchangeability and safety - Part 1: Lamp caps
IEC
IEC 61249-2-53:2025
En Vigor
2025-10-10
Materials for printed boards and other interconnecting structures - Part
2-53: Reinforced base materials clad and unclad - PTFE unfilled laminate
sheets of defined flammability (vertical burning test), copper-clad
IEC
IEC 60061-2:1969/AMD31:2004
En Vigor
2004-07-26
Amendment 31 - Lamp caps and holders together with gauges for the
control of interchangeability and safety - Part 2: Lampholders
