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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
Cranes—Design principles for loads and load combinations—Part 5:Overhead travelling and portal bridge cranes
WITHDRAWN published on 22.10.2008
Selected format:(The parts and units of jigs and fixtures. Knife flat feeler)
WITHDRAWN published on 1.1.1991
Selected format:Oil of rose,Chinese Kushui type(Rosa sertata×Rosa rugosa)
WITHDRAWN published on 22.10.2008
Selected format:General specifications for the safety of balancing machines
WITHDRAWN published on 7.10.2008
Selected format:(The parts and units of jigs and fixtures. Knife cylinder feeler)
WITHDRAWN published on 1.1.1991
Selected format:Common requirements of electromagnetic compatibility for radio communication equipment
WITHDRAWN published on 7.10.2008
Selected format:General technical condition of non-linear optical borate crystal devices
WITHDRAWN published on 7.10.2008
Selected format:Non-linear optical borate crystal devices measuring method
WITHDRAWN published on 7.10.2008
Selected format:Enterprise integration - Constructs for enterprise modeling
WITHDRAWN published on 7.10.2008
Selected format:Refractory mortars—Part 1:Determination of consistency using the penetrating cone method
WITHDRAWN published on 30.10.2008
Selected format:Latest update: 2026-01-21 (Number of items: 2 257 297)
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