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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
Liquid hydrocarbons dynamic measurement proving systems for volumetric meters—Part 2: Pipe prover
Standard published on 30.12.2016
Selected format:Liquid hydrocarbon - Dynamic measurement - Proving system for volumetric meters - Part 3: Pulse interpolation techniques
Standard published on 2.9.2010
Selected format:Liquid hydrocarbons - Dynamic measurement - Proving systems for volumetric meters - Part 4: Guide for operators of pipe provers
Standard published on 18.1.2006
Selected format:Liquid hydrocarbons--Dynamic measurement--Statistical control of volumetric metering systems
Standard published on 2.4.1998
Selected format:Liquid hydrocarbons - Volumetric measurement by displacement meter systems
Standard published on 16.3.2009
Selected format:Liquid hydrocarbons - Volumetric measurement by turbine meter systems
Standard published on 16.3.2009
Selected format:Petroleum liquid and gas measurement--Standard reference conditions
Standard published on 2.4.1998
Selected format:Micrographics - Requirement on the quality of first generation silver - gelatin microforms
Standard published on 16.7.2008
Selected format:Micrographics - Planetary camera systems - Test target for checking performance
Standard published on 16.7.2008
Selected format:Micrographics - Alphanumeric computer output microforms - Quality control - Part 1: Characteristics of the test slide and test data
Standard published on 16.7.2008
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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