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GB - Chinese national standards - Page 5177

Standards GB - Chinese national standards - Page 5177

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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Preview GB 7956.8-2025 2.12.2025
GB 7956.8-2025

Fire fighting vehicle—Part 8High-expansion foam fire fighting vehicle
Execute Date: january 2027

Standard published on 2.12.2025

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Preview GB 7956.9-2025 2.12.2025
GB 7956.9-2025

Fire fighting vehicle—Part 9Water mist fire fighting vehicle
Execute Date: january 2027

Standard published on 2.12.2025

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382.80 USD


in 3 working days
Preview GB 7957-2023 8.9.2023
GB 7957-2023

Safety technical requirement for cap lamps in coal mine

Standard published on 8.9.2023

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418.80 USD


in 4 working days
Preview GB 7958-2014 22.12.2014
GB 7958-2014

Capacitor discharge type exploders for coal mines

Standard published on 22.12.2014

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394.80 USD


in 3 working days
Preview GB 7959-2012 20.11.2012
GB 7959-2012

Hygienic requirements for harmless disposal of night soil

Standard published on 20.11.2012

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1 030.80 USD


in 6 working days
Preview GB/T 7962.1-2010 14.1.2011
GB/T 7962.1-2010

Test methods of colourless optical glass - Part 1: Refractive index and coefficient of dispersion

Standard published on 14.1.2011

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202.80 USD


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Preview GB/T 7962.10-2010 14.1.2011
GB/T 7962.10-2010

Test methods of colourless optical glass - Part 10X-rays stability

Standard published on 14.1.2011

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166.80 USD


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Preview GB/T 7962.11-2010 14.1.2011
GB/T 7962.11-2010

Test method for colourless optical glass - Part 11: Precise test method for refractive index in the visible wave band

Standard published on 14.1.2011

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Preview GB/T 7962.12-2010 14.1.2011
GB/T 7962.12-2010

Test methods of colourless optical glass - Part 12: Spectral internal transmittance

Standard published on 14.1.2011

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Preview GB/T 7962.13-2025 30.6.2025
GB/T 7962.13-2025

Test methods of colourless optical glass—Part 13Thermal conductivity

Standard published on 30.6.2025

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