We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Electricity metering equipment(a.c.)—Particular requirements—Part 24:Static meters for reactive energy at fundamental frequency(classes 0.5S,1S and 1)
WITHDRAWN published on 12.5.2017
Selected format:Reference meter for electrical energy
WITHDRAWN published on 29.7.2011
Selected format:Hygienic standard for peacetime utilization of civil air defence works
WITHDRAWN published on 21.1.1998
Selected format:Hygienic standard for communal toilet in city
WITHDRAWN published on 21.1.1998
Selected format:Technical rules of health monitoring for public places
WITHDRAWN published on 21.1.1998
Selected format:Health protection zone standard for coal gas plant
WITHDRAWN published on 21.1.1998
Selected format:Health standard of daily learning time for elementary school children
WITHDRAWN published on 21.1.1998
Selected format:Health standard of daily learning time for secondary school students
WITHDRAWN published on 21.1.1998
Selected format:Standard of heating temperature for classroom of elementary and second school
WITHDRAWN published on 21.1.1998
Selected format:Health standard of classroom ventilation in elementary and secondary school
WITHDRAWN published on 21.1.1998
Selected format:Latest update: 2025-11-16 (Number of items: 2 243 995)
© Copyright 2025 NORMSERVIS s.r.o.