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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
Environmental condition for machinery products Cold
WITHDRAWN published on 13.2.1993
Selected format:Environmental condition for machinery products—Cold
WITHDRAWN published on 6.5.2009
Selected format:Environmental condition for machinery products High altitude
WITHDRAWN published on 13.2.1993
Selected format:Environmental condition for machinery products Ocean
WITHDRAWN published on 13.2.1993
Selected format:Environmental condition for machinery products Industrial corrosion
WITHDRAWN published on 13.2.1993
Selected format:Environmental condition for machinery products Mine
WITHDRAWN published on 13.2.1993
Selected format:Environmental condition for machinery products—Dry heat
WITHDRAWN published on 30.12.1997
Selected format:Environmental technical requirements of machinery products for the warm-damp environments
WITHDRAWN published on 13.2.1993
Selected format:Environment technical requirements of machinery products for cold environment
WITHDRAWN published on 28.12.1993
Selected format:Environmental technical requirements of machinery products for plateau environment
WITHDRAWN published on 28.12.1993
Selected format:Latest update: 2025-07-02 (Number of items: 2 207 218)
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