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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
Specifications for phosphating treatment of iron and steel parts before painting
Standard published on 17.12.2001
Selected format:Reciprocating internal combustion engines - Vocabulary of components and systems - Part 1: Structure and external covers
Standard published on 19.3.2009
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 10: Ignition systems
Standard published on 28.12.2018
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 11: Fuel systems
Standard published on 28.12.2018
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 12: Exhaust emission control systems
Standard published on 30.4.2021
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 2: Valves,camshaft drives and actuating mechanisms
Standard published on 31.12.2013
Selected format:Reciprocating internal combustion enginesVocabulary of components and systemsPart 3: Main running gear
Standard published on 31.12.2013
Selected format:Reciprocating internal combustion engines - Vocabulary of components and systems - Part 4: Pressure charging and air/exhaust gas ducting systems
Standard published on 25.6.2007
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 5: Cooling systems
Standard published on 25.4.2016
Selected format:Reciprocating internal combustion engines - Vocabulary of components and systems - Part 6: Lubricating systems
Standard published on 19.3.2009
Selected format:Latest update: 2026-08-05 (Number of items: 2 291 440)
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