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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
Test methods for electroheat installtions - Part 7: Electronheating installation with electron guns
Standard published on 30.9.2009
Selected format:Test methods for electroheat installations - Part 8: Electroslag remelting furnaces
Standard published on 8.11.2006
Selected format:Test methods for electroheat installtions - Part 9: The determination of power output for High-frequency dielectric heating installation
Standard published on 24.9.2008
Selected format:Basic specifications for electroheating and electromagnetic processing installations—Part 1: General
Standard published on 30.8.2019
Selected format:Basic specifications for electroheating and electromagnetic processing installations—Part 101General requirements for vacuum electroheating and electromagnetic processing installations
Standard published on 28.12.2023
Selected format:Basic specifications for electro heat installations—Part 2:Arc electro heat installations
Standard published on 26.8.2005
Selected format:Basic specifications for electroheat installations—Part 21:Large capacity electric arc furnace using alternating current
Standard published on 9.10.2015
Selected format:Basic specifications for electroheat installations—Part 3: Induction electroheat installation
Standard published on 9.10.2015
Selected format:Basic specifications for electroheat installations - Part 31: Medium frequency coreless induction furnace
Standard published on 19.7.2013
Selected format:Basic specifications for electroheat installations - Part 32: A set of medium frequency coreless induction furnaces with a voltage type frequency converter
Standard published on 19.7.2013
Selected format:Latest update: 2024-12-22 (Number of items: 2 217 000)
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