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GB - Chinese national standards - Page 6965

Standards GB - Chinese national standards - Page 6965

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 20936.1-2017 29.12.2017
GB/T 20936.1-2017 WITHDRAWN

Gas detectors for explosive atmospheres—Part 1:Performance requirements of detectors for flammable gases

WITHDRAWN published on 29.12.2017

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Preview GB 20936.2-2009 30.9.2009
GB 20936.2-2009 WITHDRAWN

Electrical apparatus for the detection and measurement of flammable gases—Part 2:Performance requirements for group I apparatus indicating a volume fraction up to 5 % methane in air

WITHDRAWN published on 30.9.2009

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Preview GB/T 20936.2-2017 29.12.2017
GB/T 20936.2-2017 WITHDRAWN

Gas detectors for explosive atmospheres—Part 2:Selectioninstallation,use and maintenance of detectors for flammable gases and oxygen

WITHDRAWN published on 29.12.2017

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Preview GB/T 20936.3-2009 21.4.2009
GB/T 20936.3-2009 WITHDRAWN

Electrical apparatus for the detection and measurement of flammable gases—Part 3:Performance requirements for group apparatus indicating a volume fraction up to 100% methane in air

WITHDRAWN published on 21.4.2009

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Preview GB 20936.4-2008 30.12.2008
GB 20936.4-2008 WITHDRAWN

Electrical apparatus for the detection and measurement of flammable gases—Part 4:Performance requirements for group apparatus indicating a volume fraction up to 100% gas

WITHDRAWN published on 30.12.2008

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382.80 USD


in 3 working days
Preview GB/T 20937-2007 6.6.2007
GB/T 20937-2007 WITHDRAWN

Potassium magnesium of sulphate fertilizer

WITHDRAWN published on 6.6.2007

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Preview GB/T 20939-2007 30.4.2007
GB/T 20939-2007 WITHDRAWN

Structuring principles for technical products and technical product documentation - Letter codes - Main classes and subclasses of objects according to their purpose and task

WITHDRAWN published on 30.4.2007

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Preview GB/T 2094-1980 1.1.1980
GB/T 2094-1980 WITHDRAWN

Toll and local crossbar telephone switching system--Signal marks or colours of lamp and alarm ringer

WITHDRAWN published on 1.1.1980

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in 2 working days
Preview GB/T 20941-2007 4.6.2007
GB/T 20941-2007 WITHDRAWN

Good manufacturing practice for fish products processing factory

WITHDRAWN published on 4.6.2007

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622.80 USD


in 3 working days
Preview GB 20943-2007 21.5.2007
GB 20943-2007 WITHDRAWN

Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies

WITHDRAWN published on 21.5.2007

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