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
Geometrical product specifications (GPS) - Surface texture - Profile method - Metrological characteristics of phase correct filters
WITHDRAWN published on 15.11.2009
Selected format:Geometrical Product Specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 1:Decision rules for proving conformance or non-conformance with specifications
WITHDRAWN published on 15.7.2002
Selected format:Geometrical Product Specifications(GPS)—Inspection by measurement of workpieses and measuring equipment—Part 2:Guide to the estimation of uncertainty in GPS measurement, in calibration of measuring equipment and in product verification
WITHDRAWN published on 11.11.2004
Selected format:Geometrical Product Specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 3:Guidelines for achieving agreements on measurement uncertainty statements
WITHDRAWN published on 16.3.2009
Selected format:Analysis of the iodine content in phosphorus concentrates and phosphorus minerals
WITHDRAWN published on 1.1.1980
Selected format:Geometrical product specifications(GPS)--Geometrical features--Part 1:General terms and definitions
WITHDRAWN published on 15.7.2002
Selected format:Geometrical Product Specifications(GPS)--Geometrical features--Part 2: Extracted median line of a cylinder and a coneextracted median surfacelocal size of an extracted feature
WITHDRAWN published on 6.3.2003
Selected format:Cultured pearl grading
WITHDRAWN published on 22.7.2002
Selected format:Cultured pearl grading
WITHDRAWN published on 19.8.2008
Selected format:Determination of 3-chloro-1,2-propandiol in condiments
WITHDRAWN published on 21.7.2002
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
© Copyright 2026 NORMSERVIS s.r.o.