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Standards GB - Chinese national standards - Page 4838

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 4772.2-1999

Dimensions and output series for rotating electrical machines--Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360

Standard published on 26.2.1999

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GB/T 4772.3-1999

Dimensions and output series for rotating electrical machines--Part 3:Samll built-in motors--Flange numbers BF10 to BF50

Standard published on 26.2.1999

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GB/T 47720-2026

Lifting appliances—Remote control systems—General technical specifications
Execute Date: december 2026

Standard published on 25.5.2026

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GB/T 47721-2026

Wind energy generation systems—Design specification for offshore wind turbine integrated support structures

Standard published on 25.5.2026

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GB/T 47722-2026

Lifting appliances—Wind-resistance and anti-slip technical specifications
Execute Date: december 2026

Standard published on 25.5.2026

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GB/T 47723-2026

Wind energy generation systems—Automatic fire protection system for wind turbines

Standard published on 25.5.2026

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GB/T 47724-2026

Earth-moving machinery—Resource utilization design of waste and used products—Guideline
Execute Date: december 2026

Standard published on 25.5.2026

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GB/T 47725-2026

Micro-electromechanical systems (MEMS) technology—Requirements for reliability evaluation of three-dimensional structure of through-silicon vias
Execute Date: december 2026

Standard published on 25.5.2026

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GB/T 47726-2026

Amusement park—Environmental site

Standard published on 25.5.2026

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