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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
Injection moulding of test specimens of thermoplastic materials—Part 1:General principles and moulding of multipurpose and bar test specimens
WITHDRAWN published on 14.10.1997
Selected format:Tyre valves for cycles
WITHDRAWN published on 1.1.1988
Selected format:Petroleum products—Determination of sulfur—Energy-dispersive X-ray fluorescence spectroscopy
WITHDRAWN published on 14.10.1997
Selected format:Standard test method for sulfur in petroleum and petroleum products by energy dispersive X-ray fluorescence spectrometry
WITHDRAWN published on 25.8.2008
Selected format:Surface active agents—Sulfated ethoxylated alcohols and alkylphenols—Determination of total active matter content
WITHDRAWN published on 14.10.1997
Selected format:Test method of resisting high temperature for bead base of aircraft tyre
WITHDRAWN published on 14.10.1997
Selected format:Test method of environmental temperature for aircraft tyre
WITHDRAWN published on 14.10.1997
Selected format:Steel cord conveyor belts—Adhesion strength test of the cover to the core layer
WITHDRAWN published on 14.10.1997
Selected format:Steel cord conveyor belts—Adhension strength test of the cover to the core layer
WITHDRAWN published on 9.6.2013
Selected format:Protection against electric shock—Common aspects for installation and equipment
WITHDRAWN published on 16.10.1997
Selected format:Latest update: 2025-11-14 (Number of items: 2 243 651)
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