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GB - Chinese national standards - Page 7497

Standards GB - Chinese national standards - Page 7497

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 30178-2013 31.12.2013
GB 30178-2013 WITHDRAWN

The norm of energy consumption per unit product from direct coal to oil

WITHDRAWN published on 31.12.2013

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Preview GB 30179-2013 31.12.2013
GB 30179-2013 WITHDRAWN

The norm of energy consumption per unit product from coal to synthetic natural gas

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Preview GB 30180-2013 31.12.2013
GB 30180-2013 WITHDRAWN

The norm of energy consumption per unit product from coal to olefin

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Preview GB 30181-2013 31.12.2013
GB 30181-2013 WITHDRAWN

The norm of energy consumption per unit product of microcrystal alumina ceramic abrasive medium

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382.80 USD


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Preview GB 30185-2013 31.12.2013
GB 30185-2013 WITHDRAWN

The norm of energy consumption for unit product of aluminum-plastic composite panel

WITHDRAWN published on 31.12.2013

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Preview GB 30187-2013 31.12.2013
GB 30187-2013 WITHDRAWN

Design specifications for melting and casting security of copper and copper alloys

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Preview GB/T 30195-2013 31.12.2013
GB/T 30195-2013 WITHDRAWN

Test method for measuring impact performance of motor vehicle tyres

WITHDRAWN published on 31.12.2013

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Preview GB/T 30196-2013 31.12.2013
GB/T 30196-2013 WITHDRAWN

Self-supporting run flat tyre

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Preview GB/T 30197-2013 31.12.2013
GB/T 30197-2013 WITHDRAWN

Test method for work capacity of earth-mover tyres—Drum method

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Preview GBJ 302-1988 1.1.1988
GBJ 302-1988 WITHDRAWN

Quality inspetion and assessment of heating sanitary and gas work

WITHDRAWN published on 1.1.1988

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electronic design (pdf) (ON REQUEST)


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