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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
Tractorsmachinery for agriculture and forestrypowered lawn and garden equipment--Symbols for operator controls and other displays--Part 3:Symbols for powered lawn and garden equipment
Standard published on 5.6.2000
Selected format:Tractors, machinery for agriculture and forestry, powered lawn and garden equipment—Symbols for operator controls and other displays—Part 4: Symbols for forestry machinery
Standard published on 31.10.2025
Selected format:Portable forestry machinery--Symbols for operator controls and other displays
Standard published on 27.1.2003
Selected format:Shipbuilding—Deck machinery—Warping end profiles
Standard published on 23.5.2023
Selected format:Road vehicles—Local Interconnect Network(LIN)—Part 1:General information and use case definition
Standard published on 23.5.2023
Selected format:Road vehicles—Local Interconnect Network(LIN)—Part 2:Transport protocol and network layer services
Standard published on 23.5.2023
Selected format:Road vehicles—Local Interconnect Network(LIN)—Part 3:Protocol specification
Standard published on 23.5.2023
Selected format:Road vehicles—Local Interconnect Network(LIN)—Part 4:Electrical physical layer (EPL) specification 12 V/24 V
Standard published on 23.5.2023
Selected format:Road vehicles—Local Interconnect Network(LIN)—Part 5:Application programmers interface (API)
Standard published on 23.5.2023
Selected format:Road vehicles—Local Internet Network(LIN)—Part 6:Protocol conformance test specification
Standard published on 23.5.2023
Selected format:Latest update: 2026-09-25 (Number of items: 2 302 725)
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