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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 wheeled tractors - Evalution criteria of whole body vibration of the operator
Standard published on 21.3.2007
Selected format:Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 1: Vocabulary
Standard published on 11.3.2003
Selected format:Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 2: Heatingventilation and air-conditioning test method and performance
Standard published on 11.3.2003
Selected format:Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 3: Determination of effect of solar heating
Standard published on 11.3.2003
Selected format:Tractorsand self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 4: Air filter element test method
Standard published on 11.3.2003
Selected format:Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 5: Pressurization system test method
Standard published on 11.3.2003
Selected format:Milk tanks
Standard published on 10.12.2015
Selected format:Road vehicles—Fifth wheels—Interchangeability
Standard published on 28.5.2024
Selected format:Road vehicles—Pneumatic braking connections between towing vehicles and trailers
Standard published on 18.10.2019
Selected format:Determination of iodine in feeds
Standard published on 6.8.2023
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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