GB/T 21231-2007

Acoustics—Method for the measurement of airborne noise emitted by small air-moving devices

NORMA vydaná dňa 14.11.2007

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The information about the standard:

Designation standards: GB/T 21231-2007
Note: NEPLATNÁ
Publication date standards: 14.11.2007
Country: Chinese technical standard
Kategória: Technické normy GB