GB/T 4129-2003

Acoustics--Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels

NORMA vydaná dňa 14.4.2003

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The information about the standard:

Designation standards: GB/T 4129-2003
Note: NEPLATNÁ
Publication date standards: 14.4.2003
Country: Chinese technical standard
Kategória: Technické normy GB