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Standards GB - Chinese national standards - Page 7539
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 3222.2-2009
WITHDRAWN
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Acoustics—Description,measurement and assessment of environmental noise—Part 2:Determination of environmental noise levels
WITHDRAWN published on 30.9.2009
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GB/T 32223-2015
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Building hardware for windows and doors—General requirements
WITHDRAWN published on 10.12.2015
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GB/T 32224-2015
WITHDRAWN
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Heat meters
WITHDRAWN published on 10.12.2015
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GB 3223-1982
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Free-field calibration method of underwater sound transducer
WITHDRAWN published on 1.1.1982
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GB/T 3223-1994
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Acoustics--Free-field calibration method of under-water sound transducers
WITHDRAWN published on 27.12.1994
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GB/Z 32235-2015
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Industrial-process measurement,control and automation—Reference model for representation of production facilities(digital factory)
WITHDRAWN published on 10.12.2015
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GB 3224-1982
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Rotary drilling equipment--Upper and lower kelly cocks
WITHDRAWN published on 1.1.1982
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GB 3225-1982
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Hydraulic excavators volumetric rating for buckets
WITHDRAWN published on 1.1.1982
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GB/T 32250.2-2015
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Inspection of sprayers in use—Part 2:Field crop sprayers
WITHDRAWN published on 10.12.2015
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GB/T 32250.3-2015
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Inspection of sprayers in use—Part 3:Air-assisted sprayers for bush and tree crops
WITHDRAWN published on 10.12.2015
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