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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
The acceptance examination code of primary rural electrification
WITHDRAWN published on 24.7.1995
Selected format:Thin flat keys--Cross section dimensions and keyways
WITHDRAWN published on 23.6.1979
Selected format:Classification and codes for the features of 1:5000 1:10000 1:25000 1:50000 1:100000 topographic maps
WITHDRAWN published on 2.8.1995
Selected format:Aerial photographic Specification for 1:5000, 1:10000, 1:25000, 1:50000, 1:100000 scale topographic maps
WITHDRAWN published on 2.8.1995
Selected format:Terms relating to coal mining—Coal geology and prospecting
WITHDRAWN published on 7.8.1995
Selected format:Terms relating to coal mining—Coal winning machinery and development machinery
WITHDRAWN published on 7.8.1995
Selected format:Terms relating to coal mining—Mining electrical engineering
WITHDRAWN published on 7.8.1995
Selected format:Terms relating to coal mining—Shafting and drifting engineering
WITHDRAWN published on 7.8.1995
Selected format:Terms relating to coal mining - Part 2: Shafting and drifting engineering
WITHDRAWN published on 18.9.2008
Selected format:Terms relating to coal mining—Underground mining
WITHDRAWN published on 7.8.1995
Selected format:Latest update: 2024-09-28 (Number of items: 2 350 600)
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