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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
Rubber, vulcanized—Test method for artifical weathering(carbon-arc lamp)
WITHDRAWN published on 24.9.1994
Selected format:Rubber, vulcanized—Determination of low-temperature brittleness(multiple test piece method)
WITHDRAWN published on 24.9.1994
Selected format:Mixed modulation chloroprene rubber CR321,CR322
WITHDRAWN published on 24.9.1994
Selected format:Guide rules to preparation of label for dangerous chemical substances
WITHDRAWN published on 1.1.1994
Selected format:General rules for preparation of precautionary label for industrial chemicals
WITHDRAWN published on 14.5.1999
Selected format:Terms relating to mine safety
WITHDRAWN published on 19.10.1994
Selected format:Nickel-based alloys—Determination of resistance to intergranular corrosion
WITHDRAWN published on 26.9.1994
Selected format:Methods of measuring the acoustic characteristics of ultrasonically tissue-mimicking materials
WITHDRAWN published on 27.10.1994
Selected format:Ambient air--Determination of sulfur dioxide--Formaldehyde absorbing-pararosaniline spectrophotometry
WITHDRAWN published on 2.11.1994
Selected format:Ambient air--Determination of total hydrocarbons--Gas chromatographic method
WITHDRAWN published on 2.11.1994
Selected format:Latest update: 2026-03-29 (Number of items: 2 269 691)
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