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
Rolling bearings--Four row tapered roller bearings--Boundary dimensions
WITHDRAWN published on 1.1.1987
Selected format:Unified standards for quality inspection and assessment of architectural installation work
WITHDRAWN published on 1.1.1988
Selected format:Rolling bearings—Four row tapered roller bearings—Boundary dimensions
WITHDRAWN published on 14.12.1995
Selected format:Rolling bearings—Four row tapered roller bearings—Boundary dimensions
WITHDRAWN published on 28.2.2008
Selected format:Dense shaped refractory products—Determination of permeability to gases
WITHDRAWN published on 23.11.1999
Selected format:Child""s toothbrushes
WITHDRAWN published on 10.10.2013
Selected format:Toothbrushes with tapered filament
WITHDRAWN published on 10.10.2013
Selected format:Ships and marine technology—Guidelines for the assessment of speed and power performance by analysis of speed trial data
WITHDRAWN published on 10.10.2013
Selected format:Shaped refractory products—Determination of modulus of rupture at ambient temperature
WITHDRAWN published on 17.11.2000
Selected format:Refractory products—Determination of modulus of rupture at ambient temperature
WITHDRAWN published on 14.12.2007
Selected format:Latest update: 2026-03-15 (Number of items: 2 266 660)
© Copyright 2026 NORMSERVIS s.r.o.