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Standards GB - Chinese national standards - Page 7249
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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GB 2127-1980
WITHDRAWN
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Determination of titanium dioxide content in xenotime concentrates--Diantipyrylmethane photometric method
WITHDRAWN published on 1.1.1980
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GB/T 21270-2007
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Filling of foods
WITHDRAWN published on 4.12.2007
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GB/T 21271-2007
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Vacuum technology - Noise measurement for vacuum pumps
WITHDRAWN published on 20.12.2007
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GB/T 21273-2007
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Environmentally conscious design—Integrating environmental aspects into design and development of electrotechnical products
WITHDRAWN published on 20.12.2007
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GB/Z 21274-2007
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Determination of regulated substances(lead,mercury and cadmium)in electrical and electronic equipment
WITHDRAWN published on 20.12.2007
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GB/Z 21275-2007
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Determination of regulated substance (hexavalent chromium) in electrical and electronic equipment
WITHDRAWN published on 20.12.2007
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GB/Z 21276-2007
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Determination of restricted substances(polybrominated biphenyls and polybrominated diphenyl ethers)in electrical and electronic equipment
WITHDRAWN published on 20.12.2007
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GB/Z 21277-2007
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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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GB 2128-1980
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Determination of silicon dioxide content in xenotime concentrates--Silicon molybdenum blue photometric method
WITHDRAWN published on 1.1.1980
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GB/T 21284-2007
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Footwear—Test method for whole shoe—Thermal insulation
WITHDRAWN published on 13.12.2007
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