Standards GB - Chinese national standards - Page 445

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 1479.2-2011

Metallic powders - Determination of apparent density - Part 2: Scott volumeter method

Standard published on 12.5.2011

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GB/T 1479.3-2017

Metallic powdersDetermination of apparent densityPart 3: Oscillating funnel method

Standard published on 29.9.2017

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GB/T 14790.1-2009

Mechanical vibration - Measurement and evaluation of human exposure to hand-transmitted vibration - Part 1: General requirements

Standard published on 24.4.2009

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GB/T 14790.2-2014

Mechanical vibrationMeasurement and evaluation of human exposure to hand-transmitted vibrationPart 2: Practical guidance for measurement at the workplace

Standard published on 6.5.2014

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GB/T 14791-2013

Screw threadsVocabulary

Standard published on 17.12.2013

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