GB/T 4959-2026

Methods of measurement for the characteristics of sound reinforcement in auditoria

NORM herausgegeben am 31.3.2026

English, Chinesisch -
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The information about the standard:

Designation standards: GB/T 4959-2026
Publication date standards: 31.3.2026
Country: Chinese technical standard
Kategorie: Technische Normen GB