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GB - Chinese national standards - Page 517

Standards GB - Chinese national standards - Page 517

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/T 15451-2006 29.12.2006
GB/T 15451-2006

Industrial circulating cooling water - Determination of total and composite alkalinity

Standard published on 29.12.2006

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Preview GB/T 15452-2009 18.5.2009
GB/T 15452-2009

Industrial circulating cooling water - Determination of calcium and magnesium - EDTA titration method

Standard published on 18.5.2009

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226.80 USD


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Preview GB/T 15453-2018 7.6.2018
GB/T 15453-2018

Determination of chloride in water for industrial circulating cooling system and boiler

Standard published on 7.6.2018

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Preview GB/T 15454-2009 18.5.2009
GB/T 15454-2009

Industrial circulating cooling water - Determination of sodiumpotassium magnesium and calcium - Ion chromatography

Standard published on 18.5.2009

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Preview GB/T 15456-2019 30.8.2019
GB/T 15456-2019

Determination of the chemical oxygen demand in industrial circulating cooling water—Permanganate index method

Standard published on 30.8.2019

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Preview GB/T 15458-2006 12.9.2006
GB/T 15458-2006

Determination of abrasion index of coal

Standard published on 12.9.2006

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Preview GB/T 15459-2006 12.9.2006
GB/T 15459-2006

Determination of shatter indices of coal

Standard published on 12.9.2006

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Preview GB/T 1546-2018 28.12.2018
GB/T 1546-2018

Pulp—Determination of Kappa number

Standard published on 28.12.2018

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Preview GB/T 15461-1995 16.1.1995
GB/T 15461-1995

Electromechanicalswitches for use in electronic equipments--Part 3:Sectional specification for in-line package switches

Standard published on 16.1.1995

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Preview GB/T 15462-1995 16.1.1995
GB/T 15462-1995

Electromechanical switches for use in electronic equipments--Part 3-1:Blank detail specification for in-line package switches

Standard published on 16.1.1995

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electronic design (pdf) (298.80 USD)


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