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IEC
IEC TR 61088:1991
En Vigor
1991-09-01
Characteristics and measurements of ultrasonic piezoceramic transducers
IEC
IEC 60079-1:2014/ISH1:2020
En Vigor
2020-05-28
Interpretation sheet 1 - Explosive atmospheres - Part 1: Equipment
protection by flameproof enclosures "d"
IEC
IEC 60071-11:2022
En Vigor
2022-11-08
Insulation co-ordination - Part 11：Definitions, principles and rules for
HVDC system
IEC
IEC 60343:1991
En Vigor
1991-01-23
Recommended test methods for determining the relative resistance of
insulating materials to breakdown by surface discharges
