GBJ 47-1983

Acoustics-sound-abserbin coefficient measurement by method of reverbration room (Trial)

NORM herausgegeben am 5.1.1983

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The information about the standard:

Designation standards: GBJ 47-1983
Note: UNGÜLTIG
Publication date standards: 5.1.1983
Country: Chinese technical standard
Kategorie: Technische Normen GB