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Standards GB - Chinese national standards - Page 4859
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 47929.1-2026
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Additive manufacturing of metals—Qualification principles of operators—Part 1:General principles
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47929.2-2026
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Additive manufacturing of metals—Qualification principles of operators—Part 2: Operators for powder bed fusion-laser beamPBF-LB
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47929.3-2026
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Additive manufacturing of metals—Qualification principles of operators—Part 3: Operators for powder bed fusion-electron beamPBF-EB
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47929.4-2026
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Additive manufacturing of metals—Qualification principles of operators—Part 4: Operators for directed energy deposition-laser beamDED-LB
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47929.5-2026
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Additive manufacturing of metals—Qualification principles of operators—Part 5: Operators for direct energy deposition-arcDED-Arc
Execute Date: february 2027
Standard published on 30.7.2026
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GB 4793-2024
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Safety technical specification for electrical equipment for measurement,control and laboratory use
Execute Date: november 2026
Standard published on 28.10.2024
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GB 4793.1-2007
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Safety requirements for electrical equipment for measurementcontroland laboratory use - Part 1: General requirements
Standard published on 7.6.2007
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GB 4793.2-2008
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Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2: Particular requirements for hand-held and hand-manipulated cruuent sensors for electrical test and measurement
Standard published on 30.8.2008
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GB 4793.3-2008
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Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 3: Particular requirements for laboratory equipment for mixing and stirring
Standard published on 30.8.2008
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GB 4793.4-2019
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Safety requirements for electrical equipment for measurement,control and laboratory use—Part 4: Particular requirements for sterilizers and washer-disinfectors used to treat medical materials
Standard published on 17.12.2019
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