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Standard ECMA-160
Determination of Sound Power Levels of Computer and Business Equipment using Sound Intensity Measurements; Scanning Method in Controlled Rooms

2nd edition (December 1992)

The latest edition of this Ecma Standard is available here.

You can download the replaced "historical" edition of this Ecma Standard, free of charge:

File name Content
ECMA-160 1st edition Acrobat (r) PDF file

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