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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
Agricultural and forestry machinery - Safety - Part 23Silos stationary unloaders for round silos
Standard published on 1.12.2010
Selected format:Agricultural and forestry machinery - Safety - Part 24Slurry tankers
Standard published on 1.12.2010
Selected format:Agricultural and forestry machinery—Safety—Part 25Rotary disc and drum mowers and flail mowers
Standard published on 19.11.2020
Selected format:Agricultural and forestry machinery—Safety—Part 26Large rotary mowers
Standard published on 19.11.2020
Selected format:Agricultural and forestry machinery—Safety—Part 27Bale wrappers
Standard published on 19.11.2020
Selected format:Agricultural machinery—Safety—Part 28: Portable grain augers
Standard published on 25.4.2024
Selected format:Agricultural machinery—Safety—Part 3:Solid fertilizer distributors
Standard published on 18.10.2019
Selected format:Agricultural machinery—Safety—Part 5:Power-driven soil-working machines
Standard published on 31.12.2021
Selected format:Tractors and machinery for agriculture and forestry - Technical means for ensuring safety - Part 6: Equipment for crop protection
Standard published on 29.3.2006
Selected format:Tractors and machinery for agriculture and forestry - Technical means for ensuring safety - Part 7: Combine harvesters, forage and cotton harvesters
Standard published on 29.3.2006
Selected format:Latest update: 2025-08-15 (Number of items: 2 211 582)
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