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Expression of physical and subjective magnitudes of sound and noise in air
Translate name
STANDARD published on 8.6.1982
Designation standards: GB/T 3239-1982
Publication date standards: 8.6.1982
SKU: NS-882538
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-06-22 (Number of items: 2 284 351)
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