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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
Lightning protection system components(LPSC)—Part 4:Requirements for conductor fasteners
WITHDRAWN published on 12.5.2017
Selected format:Lightning protection system components (LPSC)—Part 4: Requirements for conductor fasteners
WITHDRAWN published on 19.11.2020
Selected format:Lightning protection system components(LPSC)—Part 5:Requirements for earth electrode inspection housings and earth electrode seals
WITHDRAWN published on 12.5.2017
Selected format:Lightning protection system components (LPSC)—Part 5: Requirements for earth electrode inspection housings and earth electrode seals
WITHDRAWN published on 19.11.2020
Selected format:Lightning protection system components(LPSC)—Part 6:Requirements for lightning strike counters (LSC)
WITHDRAWN published on 13.12.2016
Selected format:Lightning protection system components (LPSC)—Part 6: Requirements for lightning strike counters (LSC)
WITHDRAWN published on 19.11.2020
Selected format:Lightning protection system components(LPSC)—Part 7:Requirements for low resistivity mixture for earthing
WITHDRAWN published on 12.5.2017
Selected format:Statistical interpretation of data—Determination of a statistical tolerance interval
WITHDRAWN published on 30.12.1982
Selected format:AGT type counter scale with weights
WITHDRAWN published on 8.4.1985
Selected format:Statistical interpretation of data—Estimation of the mean—Confidence interval
WITHDRAWN published on 30.12.1982
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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