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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
Startup physics tests for pressurized water reactor of nuclear power plants
Execute Date: february 2027
Standard published on 2.7.2026
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Greenhouse gases—Quantification method and requirements for carbon footprint of products—Electric vehicle charging equipment
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Application guidance for Sb-Be neutron source in the first cycle of PWR nuclear power plant
Standard published on 2.7.2026
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Safety code for live working on overhead transmission lines
Execute Date: february 2027
Standard published on 2.7.2026
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General requirements of probabilistic safety assessment for nuclear power plant
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Test methods for electrical and magnetic properties of magnetic powder cores
Standard published on 2.7.2026
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Guidelines for severe accident analysis of pressurized water reactor nuclear power plant
Execute Date: february 2027
Standard published on 2.7.2026
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Greenhouse gases—Quantification method and requirements for carbon footprint of products—Solar thermal power generation
Execute Date: february 2027
Standard published on 2.7.2026
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Greenhouse gases—Quantification method and requirements for carbon footprint of products—Photovoltaic power generation
Execute Date: february 2027
Standard published on 2.7.2026
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Technical specifications for electrical configuration on the user side of critical power supply assurance
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Latest update: 2026-11-06 (Number of items: 2 209 112)
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