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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
Cereals,pulses and by-products—Determination of ash yield by incineration
WITHDRAWN published on 4.11.2008
Selected format:Aluminum bottles packaging for chemical products
WITHDRAWN published on 4.11.2008
Selected format:Petroleum and natural gas industries—Drilling and production equipment—Wellhead and christmas tree equipment
WITHDRAWN published on 4.11.2008
Selected format:Petroleum and natural gas industries—Drilling and production equipment—Wellhead and christmas tree equipment
WITHDRAWN published on 31.12.2013
Selected format:Acoustic noise measurement techniques of wind turbine generators systems
WITHDRAWN published on 4.11.2008
Selected format:Technical requirements and test methods for sports field—Part 2:Swimming
WITHDRAWN published on 3.11.2008
Selected format:Technical requirements and test method for sports field—Part 3:Baseball and softball
WITHDRAWN published on 3.11.2008
Selected format:Technical requirements and test methods for sports field—Part 6:Track and field
WITHDRAWN published on 30.12.2011
Selected format:(The parts and units of jigs and fixtures. Tangential clamping sleeve)
WITHDRAWN published on 1.1.1991
Selected format:Three wires for screw thread measuing
WITHDRAWN published on 12.11.2008
Selected format:Latest update: 2026-01-21 (Number of items: 2 257 297)
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