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GB - Chinese national standards - Page 6899

Standards GB - Chinese national standards - Page 6899

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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Publication year
Preview GB/Z 21274-2007 20.12.2007
GB/Z 21274-2007 WITHDRAWN

Determination of regulated substances(lead,mercury and cadmium)in electrical and electronic equipment

WITHDRAWN published on 20.12.2007

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Preview GB/Z 21275-2007 20.12.2007
GB/Z 21275-2007 WITHDRAWN

Determination of regulated substance (hexavalent chromium)in electrical and electronic equipment

WITHDRAWN published on 20.12.2007

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Preview GB/Z 21276-2007 20.12.2007
GB/Z 21276-2007 WITHDRAWN

Determination of restricated substances (polybrominated biphenyls and polybrominated diphenyl ethers)in electrical and electronic equipment

WITHDRAWN published on 20.12.2007

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Preview GB/Z 21277-2007 20.12.2007
GB/Z 21277-2007 WITHDRAWN

Rapid screening of lead,mercury,chromium,cadmium and bromine of regulated substances in electrical and electronic equipment--X-ray fluorescence spectrometry

WITHDRAWN published on 20.12.2007

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Preview GB 2128-1980 1.1.1980
GB 2128-1980 WITHDRAWN

Determination of silicon dioxide content in xenotime concentrates--Silicon molybdenum blue photometric method

WITHDRAWN published on 1.1.1980

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in 2 working days
Preview GB/T 21284-2007 13.12.2007
GB/T 21284-2007 WITHDRAWN

Footwear—Test method for whole shoe—Thermal insulation

WITHDRAWN published on 13.12.2007

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Preview GB/T 21287-2007 14.12.2007
GB/T 21287-2007 WITHDRAWN

Gases for electronic industry—Nitrogen trifluoride

WITHDRAWN published on 14.12.2007

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Preview GB 21288-2007 14.11.2007
GB 21288-2007 WITHDRAWN

Limits for human local exposure to electromagnetic fields emitted by mobile phones

WITHDRAWN published on 14.11.2007

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Preview GB/T 2129-1980 19.12.1980
GB/T 2129-1980 WITHDRAWN

Determination of lead content in cadmium--Atomic absorption spectrophotometric method

WITHDRAWN published on 19.12.1980

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Preview GB/T 21290-2007 27.12.2007
GB/T 21290-2007 WITHDRAWN

Quick frozen tilapia fillets

WITHDRAWN published on 27.12.2007

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