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IEC 14/629/DC
Inquiry on the meaning of the terms "Regular frequent energization" and "Frequent energization" in project IEC 60076-1 (document 14/612/CDV)
NA 005-55-74-03 AK
Low-frequency Sound
ISO/TC 43/SC 1/JWG 1
Joint ISO/TC 43/SC 1 - IEC/TC 29 WG: Determination of high frequency sound pressure levels emitted by high intensity ultrasonic equipment
IEC/SC 77B
High frequency phenomena
IEC/SC 77A
Low frequency phenomena
DKE/UK 767.3
Hochfrequente Störgrößen
DKE/UK 767.1
Niederfrequente leitungsgeführte Störgrößen
DKE/UK 767.6
Schutz von Einrichtungen der Informationstechnik gegen Überspannungen und niederfrequente Felder