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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
Determinating the surface color of plasticizer (platinum-cobalt colorimetry)
WITHDRAWN published on 1.1.1981
Selected format:Standard guide for selection and calibration of dosimetry systems for radiation processing
WITHDRAWN published on 13.12.1996
Selected format:Test method for dynamic waterproofness of finished footwear
WITHDRAWN published on 17.12.1996
Selected format:Computer integrated manufacturing system architecture
WITHDRAWN published on 17.12.1996
Selected format:Rolling bearings—Combined needle roller thrust roller bearings—Boundary dimensions
WITHDRAWN published on 18.12.1996
Selected format:Information technology—Open Systems Interconnection—Common management information service definition
WITHDRAWN published on 17.12.1996
Selected format:Information technology—Open system interconnection—Common management information protocol—Part 1:Specification
WITHDRAWN published on 17.12.1996
Selected format:Information technology--Open systems interconnection--Local area networks--Medium Access Control (MAC) service definition
WITHDRAWN published on 17.12.1996
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 1:Physical characteristics
WITHDRAWN published on 17.12.1996
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 2:Dimensions and Location of the contacts
WITHDRAWN published on 17.12.1996
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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