HG/T 2014-2025Acoustics - Hearing protectors - Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
December 17, 2025
Implementation date
July 1, 2026
Scope
HG/T 2014-2025 (Acoustics - Hearing protectors - Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects) is available as an English-translated PDF.
HG/T 2014-2025 — Acoustics - Hearing protectors - Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects
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Document preview — HG/T 2014-2025
National Standard of the People's Republic of China
- ICS
- 53.040.20
- Classification
- G 42
- Replacing
- HG/T2014-2015
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the structure and marking, technical requirements, test methods, inspection rules, marking, packaging, storage, and transportation of wire rope traction flame-retardant conveyor belts. This document applies to wire rope traction flame-retardant conveyor belts.
Document data
International classification (ICS): 53.040.20.
Chinese classification (CCS): G42.
Estimated length of the Chinese original: 22,225 words.
Supersedes the earlier edition HG/T2014-2015.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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