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
Information technology—Security requirements for application level firewall
WITHDRAWN published on 11.11.1999
Selected format:In-situ measurements of heat loss through thermal insulation of equipments and pipes-surface temperature method
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—General principles
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for coal face support machinery
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for machinery of coal winning and road heading
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for underground haulage machinery
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for machinery of ground production and hoisting
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for surface mine machinery
WITHDRAWN published on 16.3.2000
Selected format:Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for machinery of compressed-air,ventilation and water drainage
WITHDRAWN published on 16.3.2000
Selected format:Modular unit of electric arm
WITHDRAWN published on 5.4.2000
Selected format:Latest update: 2024-09-28 (Number of items: 2 350 600)
© Copyright 2024 NORMSERVIS s.r.o.