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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
Internal combustion engine—Emissions terminology and nomenclature
WITHDRAWN published on 19.5.2003
Selected format:Countersunk flat head screws(common head style)with cross recess—Part 1:Steel of property class 4.8
WITHDRAWN published on 26.9.2000
Selected format:Cross recessed countersunk flat head screws(common head style)--Grade A--Part 2:Steel ofproperty class 8.8stainless steel and non-ferrous metals
WITHDRAWN published on 5.8.1997
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 1:Test-bed measurement of gaseous and particulate exhaust emissions
WITHDRAWN published on 10.8.1999
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 1:Test-bed measurement of gaseous and particulate exhaust emissions
WITHDRAWN published on 10.11.2010
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 2:Measurement of gaseous and particulate exhaust emissions at site
WITHDRAWN published on 10.8.1999
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 4:Test cycles for different engine applications
WITHDRAWN published on 10.8.1999
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 4:Steady-state test cycles for different engine applications
WITHDRAWN published on 10.11.2010
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 5:Test fuels
WITHDRAWN published on 11.7.2005
Selected format:Reciprocating internal combustion engines—Exhaust emission measurement—Part 5:Test fuels
WITHDRAWN published on 20.7.2011
Selected format:Latest update: 2025-07-02 (Number of items: 2 207 218)
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