Norm-Entwurf
PR NF C27-359
; PR NF EN IEC 63359
PR NF C27-359
; PR NF EN IEC 63359
Fluids for electrotechnical application : Specifications for the re-use of mixtures of gases alternative to SF6
Titel (englisch)
Fluids for electrotechnical application : Specifications for the re-use of mixtures of gases alternative to SF6