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GB - Chinese national standards - Page 169

Standards GB - Chinese national standards - Page 169

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 12206-2006 12.9.2006
GB/T 12206-2006

Testing method to determine the calorific values of town gas

Standard published on 12.9.2006

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electronic design (pdf) (622.80 USD)


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622.80 USD


in 4 working days
Preview GB/T 12208-2008 4.11.2008
GB/T 12208-2008

Test methods of components and impurities of the manufactured gas

Standard published on 4.11.2008

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electronic design (pdf) (934.80 USD)


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934.80 USD


in 6 working days
Preview GB/T 1221-2007 14.5.2007
GB/T 1221-2007

Heat-resistant steel bars

Standard published on 14.5.2007

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electronic design (pdf) (174.00 USD)


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174.00 USD


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Preview GB/T 12212-2012 11.5.2012
GB/T 12212-2012

Technical drawings - Dimensions,proportions and simplified representation for welding symbols

Standard published on 11.5.2012

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electronic design (pdf) (778.80 USD)


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778.80 USD


in 5 working days
Preview GB/T 12213-1990 12.1.1990
GB/T 12213-1990

Technical drawings for glassware

Standard published on 12.1.1990

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 12214-2019 30.8.2019
GB/T 12214-2019

Silica sand and flour for investment casting

Standard published on 30.8.2019

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electronic design (pdf) (238.80 USD)


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238.80 USD


in 3 working days
Preview GB/T 12215-2019 30.8.2019
GB/T 12215-2019

Bauxite sand and flour for investment casting

Standard published on 30.8.2019

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electronic design (pdf) (238.80 USD)


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238.80 USD


in 3 working days
Preview GB/T 12217-2005 16.5.2005
GB/T 12217-2005

Machines-Shaft heights

Standard published on 16.5.2005

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electronic design (pdf) (190.80 USD)


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190.80 USD


in 3 working days
Preview GB/T 1222-2016 13.12.2016
GB/T 1222-2016

Spring steels

Standard published on 13.12.2016

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electronic design (pdf) (174.00 USD)


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174.00 USD


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Preview GB/T 1222-2025 31.10.2025
GB/T 1222-2025

Spring steels
Execute Date: may 2026

Standard published on 31.10.2025

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electronic design (pdf) (594.00 USD)


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594.00 USD


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