GB - Chinese national standards - Page 168

Standards GB - Chinese national standards - Page 168

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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GB/T 12137-2015

Methods for leakage test of gas cylinders

Standard published on 10.12.2015

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106.30 USD


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GB/T 12137-2025

Methods for leakage test of gas cylinders
Execute Date: march 2026

Standard published on 29.8.2025

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523.80 USD


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886.30 USD


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GB/T 12141-2008

Safety code for material aerial ropeways

Standard published on 11.12.2008

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ON REQUEST


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GB 12142-2007

safety requirements for portable metal ladders

Standard published on 26.6.2007

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143.80 USD


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GB/T 12143-2008

General analytical methods for beverage

Standard published on 31.12.2008

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181.30 USD


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173.80 USD


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GB/T 12145-2016

Quality criterion of water and steam for power plant and steam-generating equipment

Standard published on 24.2.2016

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156.30 USD


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GB/T 12146-2005

Analysis of water used in boil and cooling system Determination of ammonia-Phenol method

Standard published on 6.2.2005

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198.80 USD


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GB/T 12148-2006

Analysis of water used in boiler and cooling system - Determination of total silicon - Photometric method by conversion with hydrofluoric acid for low silicon

Standard published on 1.9.2006

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236.30 USD


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