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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
Tractors and machinery for agriculture and forestry - Technical means for ensuring safety - Part 8: Irrigation pumps and machines
Standard published on 29.3.2006
Selected format:Agricultural and forestry machinery—Safety—Part 9: Seed drills
Standard published on 24.7.2014
Selected format:Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Safety signs and hazard pictorials - General principles
Standard published on 29.3.2006
Selected format:Small gasoline engines - Evaluation and measurement of vibration
Standard published on 11.8.2008
Selected format:Plastics—Determination of tensile properties—Part 1:General principles
Standard published on 28.12.2018
Selected format:
Plastics—Determination of tensile properties—Part 1: General principles
Execute Date: october 2025
Standard published on 28.3.2025
Selected format:Plastics—Determination of tensile properties—Part 2: Test conditions for moulding and extrusion plastics
Standard published on 11.7.2022
Selected format:Plastics - Determination of tensile properties - Part 3: Test conditions for films and sheets
Standard published on 1.9.2006
Selected format:Plastics - Determination of tensile properties - Part 4: Test conditions for isotropic and orthotropic fibre-reinforced plastic composites
Standard published on 1.9.2006
Selected format:Plastics - Determination of tensile properties - Part 5: Test conditions for unidirectional fibre-reinforced plastic composites
Standard published on 4.8.2008
Selected format:Latest update: 2025-08-15 (Number of items: 2 211 582)
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