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
Specification for urea reactor
WITHDRAWN published on 9.6.2004
Selected format:Specifications for H · P urea scrubber
WITHDRAWN published on 12.9.1988
Selected format:Manufacture specification of the diaphragm cell with metal anodes
WITHDRAWN published on 1.1.1988
Selected format:Steel vessels with mechanical agitating devices--Types and main parameters
WITHDRAWN published on 1.1.1988
Selected format:Plywood--Classification
WITHDRAWN published on 20.9.1988
Selected format:Plywood—Part 1:Classification
WITHDRAWN published on 22.6.2004
Selected format:Plywood--Determination of dimensions of test specimens
WITHDRAWN published on 20.9.1988
Selected format:Plywood--Determination of moisture content
WITHDRAWN published on 1.10.1990
Selected format:Plywood--Determination of glue bond strength
WITHDRAWN published on 10.10.1990
Selected format:Plywood--Terms and definitions
WITHDRAWN published on 20.9.1988
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
© Copyright 2026 NORMSERVIS s.r.o.