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GB - Chinese national standards - Page 5169

Standards GB - Chinese national standards - Page 5169

Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level. Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document

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Publication year
Preview GB/T 7584.1-2004 13.5.2004
GB/T 7584.1-2004

Acoustics--Hearing protectors--Part 1:Subjective method for the measurement of sound attenuation

Standard published on 13.5.2004

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electronic design (pdf) (340.80 USD)


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340.80 USD


in 3 working days
Preview GB/T 7584.1-2026 27.2.2026
GB/T 7584.1-2026

Acoustics—Hearing protectors—Part 1: Subjective method for the measurement of sound attenuation
Execute Date: september 2026

Standard published on 27.2.2026

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electronic design (pdf) (544.80 USD)


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544.80 USD


in 4 working days
Preview GB/T 7584.2-1999 24.8.1999
GB/T 7584.2-1999

Acoustics--Hearing protectors--Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

Standard published on 24.8.1999

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electronic design (pdf) (466.80 USD)


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466.80 USD


in 3 working days
Preview GB/T 7584.2-2026 27.2.2026
GB/T 7584.2-2026

Acoustics—Hearing protectors—Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Execute Date: september 2026

Standard published on 27.2.2026

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electronic design (pdf) (544.80 USD)


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544.80 USD


in 4 working days
Preview GB/T 7584.3-2011 30.12.2011
GB/T 7584.3-2011

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture

Standard published on 30.12.2011

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electronic design (pdf) (352.80 USD)


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352.80 USD


in 3 working days
Preview GB/Z 7584.5-2026 27.2.2026
GB/Z 7584.5-2026

Acoustics—Hearing protectors—Part 5:Method for estimation of noise reduction using fitting by inexperienced test subjects

Standard published on 27.2.2026

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


Out of stock
Preview GB/T 7584.6-2026 27.2.2026
GB/T 7584.6-2026

Acoustics—Hearing protectors—Part 6: Determination of sound attenuation of active noise reduction earmuffs
Execute Date: september 2026

Standard published on 27.2.2026

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electronic design (pdf) (352.80 USD)


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352.80 USD


in 3 working days
Preview GB/T 7586-2018 28.12.2018
GB/T 7586-2018

Earth-moving machinery—Hydraulic excavators—Test methods

Standard published on 28.12.2018

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electronic design (pdf) (1006.80 USD)


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1 006.80 USD


in 6 working days
Preview GB/T 7588.1-2020 14.12.2020
GB/T 7588.1-2020

Safety rules for the construction and installation of lifts—Part 1Passenger and goods passenger lifts

Standard published on 14.12.2020

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electronic design (pdf) (3118.80 USD)


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3 118.80 USD


in 13 working days
Preview GB/T 7588.2-2020 14.12.2020
GB/T 7588.2-2020

Safety rules for the construction and installation of lifts—Part 2: Design rules, calculations, examinations and tests of lift components

Standard published on 14.12.2020

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electronic design (pdf) (1822.80 USD)


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1 822.80 USD


in 9 working days

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Latest update: 2026-05-14 (Number of items: 2 277 490)
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