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GB - Chinese national standards - Page 4740

Standards GB - Chinese national standards - Page 4740

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 4980-1985 5.3.1985
GB/T 4980-1985

Determination of sound power level for noise emitted by displacement compressors--Engineering method

Standard published on 5.3.1985

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electronic design (pdf) (814.80 USD)


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814.80 USD


in 5 working days
Preview GB/T 4980-2025 30.5.2025
GB/T 4980-2025

Determination of sound level for noise emitted by displacement compressors

Standard published on 30.5.2025

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electronic design (pdf) (742.80 USD)


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742.80 USD


in 5 working days
Preview GB/T 4982-2025 31.10.2025
GB/T 4982-2025

Vacuum technology—Dimensions of clamped-type quick-release couplings

Standard published on 31.10.2025

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electronic design (pdf) (352.80 USD)


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352.80 USD


in 3 working days
Preview GB/T 4983-2003 25.11.2003
GB/T 4983-2003

Vacuum technology--Quick release couplings--Dimensions--Part 2:Screwed type

Standard published on 25.11.2003

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electronic design (pdf) (244.80 USD)


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244.80 USD


in 3 working days
Preview GB/T 4984-2023 28.12.2023
GB/T 4984-2023

Chemical analysis of refractories containning zirconia

Standard published on 28.12.2023

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electronic design (pdf) (1018.80 USD)


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1 018.80 USD


in 6 working days
Preview GB/T 4985-2021 11.10.2021
GB/T 4985-2021

Standard test method for needle penetration of petroleum waxes

Standard published on 11.10.2021

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electronic design (pdf) (210.00 USD)


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210.00 USD


IN STOCK
Preview GB/T 4988-2016 29.8.2016
GB/T 4988-2016

Electric products for ships and offshore units—Ratings of frequency,voltage and current

Standard published on 29.8.2016

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electronic design (pdf) (106.80 USD)


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106.80 USD


in 3 working days
Preview GB/T 4989-2013 31.12.2013
GB/T 4989-2013

Extension and compensating cables for thermocouples

Standard published on 31.12.2013

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electronic design (pdf) (550.80 USD)


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550.80 USD


in 4 working days
Preview GB/T 4990-2010 1.12.2010
GB/T 4990-2010

Alloy wires of extension and compensating cables for thermocouples

Standard published on 1.12.2010

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electronic design (pdf) (418.80 USD)


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418.80 USD


in 3 working days
Preview GB/T 4993-2010 1.12.2010
GB/T 4993-2010

NickelChrominum/CopperNickel(Constantan) thermocouple wires

Standard published on 1.12.2010

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electronic design (pdf) (358.80 USD)


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358.80 USD


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