DIN V ENV 12102:1996 Air conditioners, heat pumps and dehumidifiers with electrically driven compressors - Measurement of airborne noise - Determination of the sound power level; German version ENV 12102:1996
1996DIN V ENV 12102:1996 Air conditioners, heat pumps and dehumidifiers with electrically driven compressors - Measurement of airborne noise - Determination of the sound power level; German version ENV 12102:1996
1986DIN 45635-35:1986 Measurement of noise emitted by machines; airborne noise emission; enveloping surface method; heat pump units with electrically driven compressors