IEC: 60034-9 -2003; Rotating electrical machines part 9: Noise limits.
IEC
IEC: 60034-9 -2003; Rotating electrical machines part 9: Noise limits. - 4 - Geneva IEC 2003 - 25
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IEC: 60034-9 -2003; Rotating electrical machines part 9: Noise limits. - 4 - Geneva IEC 2003 - 25
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