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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
Methods for analysis of water for boiler and for cooling—The determination of phosphates—Total phosphates
WITHDRAWN published on 16.9.1986
Selected format:Analysis of water used in boiler and cooling system Determination of phosphate
WITHDRAWN published on 24.4.1993
Selected format:Standards for the qualifications of raw and fresh milk received from farms
WITHDRAWN published on 17.9.1986
Selected format:Power capacitors for high altitude districts
WITHDRAWN published on 17.9.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Power capacitors for damp tropics
WITHDRAWN published on 28.6.1997
Selected format:Hand capstan
WITHDRAWN published on 1.1.1986
Selected format:Hand windlass and anchor capstan
WITHDRAWN published on 20.9.1986
Selected format:Air quality--Vocabulary
WITHDRAWN published on 10.10.1986
Selected format:Chemical reagent--Acetamide
WITHDRAWN published on 20.1.1965
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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