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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
Voltage transformers
WITHDRAWN published on 3.7.1997
Selected format:Inductive voltage transformers
WITHDRAWN published on 25.8.2006
Selected format:Middle and low speed corrugator
WITHDRAWN published on 1.1.1989
Selected format:Limits of sound power level for noise emitted by leather machinery
WITHDRAWN published on 1.1.1989
Selected format:Dairy machinery vocabuliary
WITHDRAWN published on 1.1.1989
Selected format:Clothing machinery--Straight knife cutting machine
WITHDRAWN published on 1.1.1989
Selected format:Stainless steel pipes and fittings for the food industry--Stainless steel tubes
WITHDRAWN published on 1.1.1989
Selected format:Stainless steel pipes and fittings for the food industry--Stainless steel screwed couplings
WITHDRAWN published on 1.1.1989
Selected format:Household sewing machines--Determination of reproducibility of stitch length setting
WITHDRAWN published on 1.1.1989
Selected format:Generic specification for X-ray tubes
WITHDRAWN published on 29.12.1989
Selected format:Latest update: 2026-03-02 (Number of items: 2 264 418)
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