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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
Testing methods on mechanical and weathering properties for PVC windows
WITHDRAWN published on 30.11.1989
Selected format:Technical specifications for reciprocating mud pump for geologic drilling
WITHDRAWN published on 1.1.1989
Selected format:Testing methods for reciprocating mud pump for geologic drilling
WITHDRAWN published on 1.1.1989
Selected format:Specifications of vacuum valves for nuclear devices
WITHDRAWN published on 1.1.1989
Selected format:The graphics symbols for the scene of road traffic accident
WITHDRAWN published on 22.11.1989
Selected format:Motor vehicle safety testing equipment Technical requirements of verification--Part 1: Technical requirements of verification for side slip tester of slipper type
WITHDRAWN published on 29.4.2001
Selected format:Motor vehicle safety testing equipment Technical requirements of verification--Part 2: Technical requirements of verification for opposite force roller brake tester
WITHDRAWN published on 29.4.2001
Selected format:Motor vehicle safety testing equipment Technical requirements of verification--Part 3: Technical requirements of verification for gasoline motor vehicle emission analyzer
WITHDRAWN published on 29.4.2001
Selected format:Motor vehicle safety testing equipment--Technical requirements of verification-Part 4:Technical requrement of verification for speedometer tester of roller type
WITHDRAWN published on 29.4.2001
Selected format:Motor vehicle safety testing equipment--Technical requirements of verification-Part 5:Technical requirement of verfication for filter type smokemeter
WITHDRAWN published on 29.4.2001
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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