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Standards GB - Chinese national standards - Page 194
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 12466-2019
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Terminology of corrosion and protection for ship and marine engineering
Standard published on 18.10.2019
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GB/T 12467.1-2009
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Quality reqirements for fusion welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements
Standard published on 30.10.2009
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GB/T 12467.2-2009
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Quality reqirements for fusion welding of metallic materials - Part 2: Comprehensive quality requirements
Standard published on 30.10.2009
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GB/T 12467.3-2009
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Quality reqirements for fusion welding of metallic materials - Part 3: Standard quality requirements
Standard published on 30.10.2009
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GB/T 12467.4-2009
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Quality reqirements for fusion welding of metallic materials - Part 4: Elementary quality requirements
Standard published on 30.10.2009
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GB/T 12467.5-2009
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Quality requirements for fusion welding of metallic materials - Part 5: Standard documents need to conform to claim conformity to the quality requirements
Standard published on 30.10.2009
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GB/T 12470-2018
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Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels
Standard published on 15.3.2018
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GB/T 12471-2009
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Geometrical product specificationsGPS) - Wooden part - Limit and fit
Standard published on 16.3.2009
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GB/T 12472-2003
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Geometrical Product Specifications(GPS)--Surface texture:Profile method--Surface roughness parameters and their values for wooden pieces
Standard published on 6.3.2003
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GB/T 12474-2008
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Method of test for explosion limits of combustible gases in air
Standard published on 26.6.2008
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