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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
Chemical reagent--Sodium nitrite
Standard published on 22.12.1994
Selected format:Rotary and rotary impact masonry drill bits with hardmetal tips Part1: Dimensions
Standard published on 23.12.2010
Selected format:Rotary and rotary impact masonry drill bits with hardmetal tips Part 2: Technical specifications
Standard published on 23.12.2010
Selected format:Inverse dovetail cutters and dovetailcutters with cylindrical shanks
Standard published on 10.2.2004
Selected format:Inverse dovetail cutters and dovetail cutters with cylindrical shanks--Technical specifications
Standard published on 10.2.2004
Selected format:Cellular plastics and rubbers--Determination of linear dimensions
Standard published on 10.4.1996
Selected format:Cellular plastics and rubbers - Determination of apparent density
Standard published on 4.5.2009
Selected format:Flexible cellular polymeric materials - Determination of tensile strength and elongation at break
Standard published on 19.8.2008
Selected format:Information technology - Chinese ideogram coded character set (basic set) - 32 dot matrix font - Part 1: Song Ti
Standard published on 10.1.2011
Selected format:Information technology - Chinese ideogram coded character set (basic set) - 32 dot matrix font - Part 2:Hei Ti
Standard published on 6.8.2008
Selected format:Latest update: 2026-08-09 (Number of items: 2 292 444)
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