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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
Hydraulic fluid power--Assmbled systems--Verification of cleanliness
WITHDRAWN published on 22.8.2006
Selected format:The specification for limit on harmful element content of the heavy metal concentrates products
WITHDRAWN published on 24.8.2006
Selected format:Aluminium bronze sheet
WITHDRAWN published on 31.3.1989
Selected format:Endosulfan emulsifiable concentrates
WITHDRAWN published on 23.1.2006
Selected format:Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 1:General requirements
WITHDRAWN published on 25.7.2006
Selected format:Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 2:Requirements for electrical/electronic/programmable electronic safety-related systems
WITHDRAWN published on 25.7.2006
Selected format:Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 3:Software requirements
WITHDRAWN published on 25.7.2006
Selected format:Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 4:Definitions and abbreviations
WITHDRAWN published on 25.7.2006
Selected format:Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 5:Examples of methods for the determination of safety integrity levels
WITHDRAWN published on 25.7.2006
Selected format:Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 6:Guidelines on the application of GB/T 20438.2 and GB/T 20438.3
WITHDRAWN published on 25.7.2006
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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