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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
Adjustable speed electrical power drive systems—Part 7-202: Generic interface and use of profiles for power drive systems—Profile type 2 specification
Standard published on 28.5.2024
Selected format:Adjustable speed electrical power drive systems—Part 7-301: Generic interface and use of profiles for power drive systems—Mapping of profile type 1 to network technologies
Standard published on 25.3.2019
Selected format:Adjustable speed electrical power drive systems—Part 7-302: Generic interface and use of profiles for power drive systems—Mapping of profile type 2 to network technologies
Standard published on 11.10.2021
Selected format:Adjustable speed electrical power drive systems—Part 8:Specification of voltage on the power interface
Standard published on 29.12.2017
Selected format:Adjustable speed electrical power drive systems—Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM)
Standard published on 9.3.2021
Selected format:Adjustable speed electrical power drive systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters
Standard published on 9.3.2021
Selected format:General specification for cascade speed control assembly with semiconductor converter
Standard published on 29.6.2012
Selected format:Chemical reagent - Sodium dihydrogen phosphate dihydrate
Standard published on 30.12.2011
Selected format:Polypropylene (PP) resin
Standard published on 26.2.2008
Selected format:Polystyrene (PS) resin
Standard published on 4.8.2008
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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