Leistungsziffer
[DE] Leistungsziffer
[EN] performance energy ratio
[FR] coefficient de performance
Leistungsziffer /ENG-MECHANICAL,INDUSTRY/
[DE] Leistungsziffer
[EN] performance energy ratio
[FR] coefficient de performance
Güteziffer,Leistungsziffer /INDUSTRY,INDUSTRY-METAL/
[DE] Güteziffer; Leistungsziffer
[EN] furnace performance
[FR] performance du four