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IEC
IEC 60076-22-8:2021
En Vigor
2021-06-15
Power transformers - Part 22-8: Power transformer and reactor fittings -
Devices suitable for use in communication networks
IEC
IEC 60867:2022
En Vigor
2022-10-28
Insulating liquids - Specifications for unused liquids based on
synthetic aromatic hydrocarbons
IEC
IEC 60154-7:1974
En Vigor
1974-01-01
Flanges for waveguides - Part 7: Relevant specifications for flanges for
square waveguides
IEC
IEC TR 60721-4-5:2001/AMD1:2003
En Vigor
2003-05-22
Amendment 1 - Classification of environmental conditions - Part 4-5:
Guidance for the correlation and transformation of environmental
condition classes of IEC 60721-3 to the environmental tests of IEC 60068
- Ground vehicle installations
