Standards GB - Chinese national standards - Page 1002

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

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GB/T 18842-2008

Taper cylindrical involute splines

Standard published on 27.9.2008

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GB/T 18844.1-2018

Plain bearings—Type, appearance and characterizationcauses of damage to metallic hydrodynamic bearings—Part 1: General

Standard published on 17.9.2018

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GB/T 18844.2-2018

Plain bearings—Type, appearance and characterizationcauses of damage to metallic hydrodynamic bearings—Part 2: Cavation erosion and its countermeasures

Standard published on 17.9.2018

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GB/T 18845-2017

Abrasive grains—Test-sieving machines

Standard published on 29.12.2017

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