GB/T 6446-1986

Frequency weighting for the measurement of aircraft noise (D—weighting)

NORM herausgegeben am 28.5.1986

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The information about the standard:

Designation standards: GB/T 6446-1986
Note: UNGÜLTIG
Publication date standards: 28.5.1986
Country: Chinese technical standard
Kategorie: Technische Normen GB