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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
Electrical safety of machinery—Electro-sensitive protective equipment—Part1:General requirements and tests
WITHDRAWN published on 4.2.2004
Selected format:Electrical safety of machinery - Electro-sensitive protective equipment - Part 1: General requirements and tests
WITHDRAWN published on 10.10.2013
Selected format:Electrical safety of machinery—Electro-sensitive protective equipment—Part2:Particular requirements for equipment using active opto-electronic protective devices(AOPDs)
WITHDRAWN published on 4.2.2004
Selected format:Electrcial safety of machinery - Electro-sensitive protective equipment - Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs)
WITHDRAWN published on 10.10.2013
Selected format:Electrical safety of machinery—Electro-sensitive protective equipment—Part 4:Particular requirements for equipment using vision based protective devices(VBPD)
WITHDRAWN published on 24.2.2016
Selected format:Graphic technology—Spectral measurement and colorimetric computation for graphic arts images
WITHDRAWN published on 4.2.2004
Selected format:Method of the real-time RT-PCR for the detection of avian influenza virus
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCR for the detection of avian influenza Virus Subtype H5
WITHDRAWN published on 14.2.2004
Selected format:Method of real-time RT-PCR for the detection of the avian Influenza virus subtype H7
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCR for the detection the of avian Influenza virus subtype H9
WITHDRAWN published on 14.2.2004
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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