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
Self-balance recorders and indicators for use in industrial-process measurement and control systems
WITHDRAWN published on 1.6.1988
Selected format:Self-locking nutshexagon light
WITHDRAWN published on 22.12.1988
Selected format:Method for hydraulic test of gas cylinders
WITHDRAWN published on 28.5.1997
Selected format:Methods for hydrostatic test of gas cylinders
WITHDRAWN published on 30.12.2011
Selected format:Method for cycling test of gas cylinders
WITHDRAWN published on 10.1.2001
Selected format:Threads on rotary shouldered connections for petroleum industry
WITHDRAWN published on 17.5.1999
Selected format:Petroleum and natural gas industries—Threading,gauging,and thread inspection of casing,tubing and line pipe threads
WITHDRAWN published on 17.5.1999
Selected format:Petroleum and natural gas industries—Threading,gauging and thread inspection of casing,tubing,and line pipe threads
WITHDRAWN published on 1.11.2017
Selected format:Drill pipe threads
WITHDRAWN published on 22.5.1995
Selected format:Drill pipe thread gauges
WITHDRAWN published on 15.5.1995
Selected format:Latest update: 2024-09-06 (Number of items: 2 346 102)
© Copyright 2024 NORMSERVIS s.r.o.