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Standards GB - Chinese national standards - Page 7580

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GB/T 3247-1982 WITHDRAWN

Aluminum and aluminum alloys--Inspection method of microstructure for wrought products

WITHDRAWN published on 1.1.1982

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GB/T 32470-2016 WITHDRAWN

Organic compounds in drinking water—Test methods of geosmin and 2-methylisoborneol

WITHDRAWN published on 14.6.2016

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GB/T 3248-1982 WITHDRAWN

Determining method of resistivity of copper, nickel and their alloys

WITHDRAWN published on 21.6.1982

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GB/T 32482.1-2016 WITHDRAWN

LED—Binning—Part 1:General requirements and white colour grid

WITHDRAWN published on 24.2.2016

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GB/T 32483.1-2016 WITHDRAWN

Energy performance of lamp controlgear—Part 1: Controlgear for fluorescent lamps—Method of measurement to determine the total input power of controlgear circuits and the efficiency of the controlgear

WITHDRAWN published on 25.4.2016

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GB/T 32483.2-2021 WITHDRAWN

Energy performance of lamp controlgear—Part 2: Controlgear for high intensity discharge lamps (excluding fluorescent lamps)—Method of measurement to determine the efficiency of controlgear

WITHDRAWN published on 26.11.2021

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GB/T 32483.3-2016 WITHDRAWN

Energy performance of lamp controlgear—Part 3: Controlgear for halogen lamps and LED modules—Method of measurement to determine the efficiency of the controlgear

WITHDRAWN published on 24.2.2016

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