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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
Limits of radio interference from AC high voltage overhead power transmission lines
WITHDRAWN published on 25.9.1995
Selected format:Silicon barium alloy
WITHDRAWN published on 10.10.1995
Selected format:Steel products—Method for etch test of tower sample
WITHDRAWN published on 10.10.1995
Selected format:Ferritic—Pearlitic engineering steels for precipitation hardening from hot—Working temperature
WITHDRAWN published on 10.10.1995
Selected format:Microalloyed medium carbon steels
WITHDRAWN published on 13.5.2008
Selected format:Monocrystalline germanium slices
WITHDRAWN published on 17.10.1995
Selected format:Brass (H65) strip for welded tube
WITHDRAWN published on 17.10.1995
Selected format:Gravity separating equipment for coal—Performance evaluation
WITHDRAWN published on 17.10.1995
Selected format:Coal gravity separating equipment—Performance evaluation
WITHDRAWN published on 15.7.2005
Selected format:Coal sizing equipment—Performance evaluation
WITHDRAWN published on 17.10.1995
Selected format:Latest update: 2024-09-27 (Number of items: 2 350 600)
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