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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
Method for testing of reinforcing bar bending machines
WITHDRAWN published on 1.1.1987
Selected format:Wire straightening and cutting machines
WITHDRAWN published on 1.1.1987
Selected format:Method for testing of wire straighting and cutting machines
WITHDRAWN published on 1.1.1987
Selected format:Internal concrete vibrators with eccentric weight driven by electric motor through flexible shaft
WITHDRAWN published on 1.1.1987
Selected format:Planetary internal concrete vibrator with flexible shaft driven by electric motor
WITHDRAWN published on 1.1.1987
Selected format:Electric motor in internal concrete vibrators
WITHDRAWN published on 1.1.1987
Selected format:Test method for flexible shaft and pipe of hand-held motor operated tools
WITHDRAWN published on 1.1.1987
Selected format:Vacuum sewer cleaner--Classifications
WITHDRAWN published on 1.1.1987
Selected format:Vacuum sewer cleaner--Specifications
WITHDRAWN published on 1.1.1987
Selected format:Vacuum sewer cleaner--Methods of performance test
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
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