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IEC
IEC
IEC 61300-3-21:2019 RLV
En Vigor
2019-09-20
Fibre optic interconnecting devices and passive components - Basic test
and measurement procedures - Part 3-21: Examinations and measurements -
Switching time
IEC
IEC
IEC 60404-8-4:2022 RLV
En Vigor
2022-09-21
Magnetic materials - Part 8-4: Specifications for individual materials -
Cold-rolled non-oriented electrical steel strip and sheet delivered in
the fully-processed state










