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GB - Chinese national standards - Page 7365

Standards GB - Chinese national standards - Page 7365

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 27690-2011 21.11.2011
GB/T 27690-2011 WITHDRAWN

Silica fume for cement mortar and concrete

WITHDRAWN published on 21.11.2011

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Preview GB/T 27691-2011 30.12.2011
GB/T 27691-2011 WITHDRAWN

Wire rod for steel cord

WITHDRAWN published on 30.12.2011

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in 3 working days
Preview GB/T 27692-2011 30.12.2011
GB/T 27692-2011 WITHDRAWN

Acidity iron pellet for blast furnace

WITHDRAWN published on 30.12.2011

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IN STOCK
Preview GB/T 27697-2011 30.12.2011
GB/T 27697-2011 WITHDRAWN

Hydraulic bottle jacks

WITHDRAWN published on 30.12.2011

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274.80 USD


in 3 working days
Preview GB/T 27698.1-2011 30.12.2011
GB/T 27698.1-2011 WITHDRAWN

Test method for the performance of heat exchangers and heat exchange element—Part 1:General requirements

WITHDRAWN published on 30.12.2011

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814.80 USD


in 4 working days
Preview GB/T 27698.2-2011 30.12.2011
GB/T 27698.2-2011 WITHDRAWN

Test method for the performance of heat exchangers and heat exchange element—Part 2:Tubular heat exchanger

WITHDRAWN published on 30.12.2011

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in 2 working days
Preview GB/T 27698.3-2011 30.12.2011
GB/T 27698.3-2011 WITHDRAWN

Test method for the performance of heat exchangers and heat exchange element—Part 3:Plate heat exchanger

WITHDRAWN published on 30.12.2011

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Preview GB/T 27698.4-2011 30.12.2011
GB/T 27698.4-2011 WITHDRAWN

Test method for the performance of heat exchangers and heat exchange element—Part 4:Spiral heat exchanger

WITHDRAWN published on 30.12.2011

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Preview GB/T 27698.5-2011 30.12.2011
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Test method for the performance of heat exchangers and heat exchange element—Part 5:Heat transfer tube for tubular heat exchangers

WITHDRAWN published on 30.12.2011

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in 3 working days
Preview GB/T 27698.6-2011 30.12.2011
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Test method for the performance of heat exchangers and heat exchange element—Part 6:Fing tube for air-cooled heat exchangers

WITHDRAWN published on 30.12.2011

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