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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
Series of camera lenses
WITHDRAWN published on 1.1.1988
Selected format:Typeface and symbol for cameras
WITHDRAWN published on 1.1.1988
Selected format:General specification for small power single phase A. C series motor
WITHDRAWN published on 1.1.1988
Selected format:Petroleum waxes and petrolatum--Test method for residue content after calcination
WITHDRAWN published on 1.1.1988
Selected format:Petroleum waxes--Test method for specified content of arsenic compounds
WITHDRAWN published on 1.1.1988
Selected format:Petroleum waxes and petrolatum--Test method for sulfated ash content
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Petroleum waxes--Determintion of congealing point
WITHDRAWN published on 1.1.1988
Selected format:Paraffin waxes--Test method for chloride and sulfate ions
WITHDRAWN published on 1.1.1988
Selected format:Alloys for dental amalgam
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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