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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
Comprehensive appraisement for health inspection in schools
WITHDRAWN published on 30.9.2000
Selected format:Regulation of health education for students in primary and middle school
WITHDRAWN published on 30.9.2000
Selected format:Terminology of protecting against and mitigating earthquake disasters—Part 1:Basic terms
WITHDRAWN published on 17.10.2000
Selected format:Post-earthquake field works—Part 3:Code for field survey
WITHDRAWN published on 17.10.2000
Selected format:Post-earthquake field works—Part 4:Assessment of direct loss
WITHDRAWN published on 28.3.2005
Selected format:Safety of machinery—Indication, marking and actuation—Part 1:Requirements for visual, auditory and tactile signals
WITHDRAWN published on 17.10.2000
Selected format:Safety of machinery—Indication, marking and actuation—Part 2:Requirements for marking
WITHDRAWN published on 17.10.2000
Selected format:Safety of machinery—Indication, marking and actuation—Part 3:Requirements for the location and operation of actuators
WITHDRAWN published on 1.10.2002
Selected format:Determination of iron content in tin concentrates--Dichromate volumetric method
WITHDRAWN published on 29.12.1979
Selected format:General requirements for safety of electrical micro-machines
WITHDRAWN published on 17.10.2000
Selected format:Latest update: 2026-05-14 (Number of items: 2 277 490)
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