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Overview IEC 60704-2-7:2020 is the Part 2-7 test code of the IEC 60704 series for the determination of airborne acoustical noise from household and similar electrical fans. It provides particular req…
Overview IEC 60704-2-7:1997 specifies the test code for the determination of airborne acoustical noise emitted by household and similar electrical fans. It provides particular requirements for measur…