GB/T 18696.1-2004

Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 1:Method using standing wave ratio

NORMA vydaná dňa 13.5.2004

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The information about the standard:

Designation standards: GB/T 18696.1-2004
Publication date standards: 13.5.2004
Country: Chinese technical standard
Kategória: Technické normy GB