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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
Safety of machinery—Safety-related parts of control systems—Part 1:General principles for design
WITHDRAWN published on 30.8.2005
Selected format:Safety of machinery—Safety-related parts of control systems—Part 1:General principles for design
WITHDRAWN published on 25.8.2008
Selected format:Safety of machinery—Safety-related parts of control systems—Part 1: General principles for design
WITHDRAWN published on 28.12.2018
Selected format:Safety of machinery--Safety-related parts of control systems--Part 100:Guidelines for the use and application of GB/T 16855.1
WITHDRAWN published on 21.2.2005
Selected format:Safety of machinery—Safety-related parts of control systems—Part 2:Validation
WITHDRAWN published on 2.3.2007
Selected format:Safety of machinery—Principles for risk assessment
WITHDRAWN published on 6.6.1997
Selected format:Safety of machinery—Risk assessment—Part 1:Principles
WITHDRAWN published on 25.8.2008
Selected format:Safety of machinery—Risk assessment—Part 2:Practical guidance and examples of methods
WITHDRAWN published on 29.12.2008
Selected format:Coordinate metrology Part 2:Performance assessment of coordinate measuring machines
WITHDRAWN published on 6.6.1997
Selected format:Geometrical Product Specifications(GPS)—Acceptance and reverification tests for coordinate measuring machines(CMM)—Part 2:CMMs used for measuring size
WITHDRAWN published on 19.7.2006
Selected format:Latest update: 2026-02-01 (Number of items: 2 258 192)
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