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GB - Chinese national standards - Page 7480

Standards GB - Chinese national standards - Page 7480

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 2892.4-1982 1.1.1982
GB 2892.4-1982 WITHDRAWN

Test method of service life of filter type respirator canister for chlorine

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Preview GB 2892.5-1982 1.1.1982
GB 2892.5-1982 WITHDRAWN

Test method of service life of filter type respirator canister for ammonia

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Preview GB 2892.6-1982 1.1.1982
GB 2892.6-1982 WITHDRAWN

Test method of service life of filter type respirator canister for hydrosulfuric acid

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Preview GB 2892.7-1982 1.1.1982
GB 2892.7-1982 WITHDRAWN

Test method of service life of filter type respirator canister for sulfur dioxide

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Preview GB 2892.8-1982 1.1.1982
GB 2892.8-1982 WITHDRAWN

Test method of service life of filter type respirator canister for carbon monoxide

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Preview GB 2892.9-1982 1.1.1982
GB 2892.9-1982 WITHDRAWN

Test method of service life of filter type respirator canister for mercury vapour

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Preview GB/T 28924-2012 12.10.2012
GB/T 28924-2012 WITHDRAWN

Guides for calculating energy efficiency index of an iron and steel enterprise

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Preview GB 2893-1982 10.2.1982
GB 2893-1982 WITHDRAWN

Safety colours

WITHDRAWN published on 10.2.1982

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Preview GB 2893-2001 15.9.2001
GB 2893-2001 WITHDRAWN

Safety colors

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in 3 working days
Preview GB 2893-2008 11.12.2008
GB 2893-2008 WITHDRAWN

Safety colours

WITHDRAWN published on 11.12.2008

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