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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

2^nd 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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