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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
Diaphragm gas meters
WITHDRAWN published on 30.12.2011
Selected format:Rubber suction hose for fire-fighting purpose performance requirements and test methods
WITHDRAWN published on 1.11.1986
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Testing methods for grain dryer
WITHDRAWN published on 1.11.1986
Selected format:Test method for feed mills
WITHDRAWN published on 1.11.1986
Selected format:Agricultural wheeled tractors--Operatorseat--Measurement of transmitted vibration
WITHDRAWN published on 1.1.1986
Selected format:Testing methods of single seed drills(precision drills)
WITHDRAWN published on 1.11.1986
Selected format:Lifting appliances—Vocabulary—Types of lifting appliances
WITHDRAWN published on 1.11.1986
Selected format:Lifting appliances—Vocabulary—Portal slewing cranes
WITHDRAWN published on 1.11.1986
Selected format:Lifting appliances—Vocabulary—Derrick cranes
WITHDRAWN published on 1.11.1986
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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