Norm-Entwurf
PR NF C45-250-49
; PR NF EN IEC 63522-49
PR NF C45-250-49
; PR NF EN IEC 63522-49
Electrical relays - Tests and Measurements - Part 49: long term stability of sealing
Titel (englisch)
Electrical relays - Tests and Measurements - Part 49: long term stability of sealing