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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
Direct acting indicating analogue electrical measuring instruments and their accessories—Part 8:Special requirements for accessories
Standard published on 7.9.2017
Selected format:Direct acting indicating analogue electrical measuring instruments and their accessories—Part 9:Recommended test methods
Standard published on 7.9.2017
Selected format:Mining machinery terminology—Part 1:Mining equipment
Standard published on 7.9.2023
Selected format:Mining machinery terminology—Part 2Loading equipment
Standard published on 30.5.2025
Selected format:Mining machinery terminology—Part 3:Winding equipment
Standard published on 28.12.2023
Selected format:Mining machinery terminology—Part 4:Mine hauling equipment
Standard published on 30.5.2025
Selected format:Mining machinery terminology—Part 5Crushing and grinding equipment
Standard published on 30.5.2025
Selected format:Mining machinery terminology—Part 6: Screening equipment in mine
Standard published on 30.5.2025
Selected format:Mining machinery terminology—Part 7:Mineral processing equipment
Standard published on 30.5.2025
Selected format:Mining machinery terminology—Part 8Calcining equipment
Standard published on 10.12.2015
Selected format:Latest update: 2026-05-15 (Number of items: 2 278 685)
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