GB/T 17697-1999

Acoustics—Determination of sound power radiated into a duct by fans—In-duct method

NORMA vydaná dňa 8.3.1999

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The information about the standard:

Designation standards: GB/T 17697-1999
Note: NEPLATNÁ
Publication date standards: 8.3.1999
Country: Chinese technical standard
Kategória: Technické normy GB