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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
Specifications of rubber or plastics covered roller for printing and dyeing
WITHDRAWN published on 1.1.1988
Selected format:Rubber materials for vibration isolators
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1980
Selected format:Specifications for the design of middle and elemerstary school buildings
WITHDRAWN published on 1.1.1986
Selected format:Belt conveyor idlers—Basic parameters and dimensions
WITHDRAWN published on 4.2.1991
Selected format:Extractable ventilation rubber ducting of the fire retardant
WITHDRAWN published on 20.9.1988
Selected format:Technical specifications for laboratory disk polisher
WITHDRAWN published on 1.1.1988
Selected format:Technical specifications for laboratory model 300 gravity cutter
WITHDRAWN published on 1.1.1988
Selected format:Technical specifications for laboratory disk planegrinder
WITHDRAWN published on 1.1.1988
Selected format:The types and parameter of the vibrating mill for laboratory
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2025-11-18 (Number of items: 2 245 606)
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