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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
Reciprocating internal combustion engines—Limit values of emitted noise
Standard published on 7.9.2023
Selected format:Turbines and turbine sets—Measurement of emitted airborne noise—Engineering/survey method
Standard published on 19.11.2020
Selected format:Gas turbines-Procurement
Standard published on 31.8.2005
Selected format:Gas turbines - Procurement - Part 3: Design requirements
Standard published on 13.4.2009
Selected format:Gas turbines - Procurement - Part 4: Fuels and environment
Standard published on 10.11.2010
Selected format:Gas turbines - Procurement - Part 5: Applications for petroleum and natural gas industries
Standard published on 10.11.2010
Selected format:Gas turbines—Procurement—Part 7Technical information
Standard published on 30.6.2025
Selected format:Gas turbines - Procurement - Part 8: Inspection-testing-installation and commissioning
Standard published on 13.4.2009
Selected format:Gas turbines - procurement - Part 9: Reliability, availability, maintainability and safety
Standard published on 7.2.2006
Selected format:Secondary cells and batteries—Test methods for checking the performance of devices designed for reducing explosion hazards for lead-acid starter batteries
Standard published on 3.12.2025
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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