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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 method for environmental stress-cracking of polyethylene plastics
WITHDRAWN published on 10.8.1999
Selected format:Biological toxicity grading for pollutant from marine petroleum exploration and exploitation
WITHDRAWN published on 28.8.2001
Selected format:Biological toxicity inspection method for pollutant from marine petroleum exploration and exploitation
WITHDRAWN published on 28.8.2001
Selected format:Rubber and plastics hoses and hose assemblies—Determination of permeability to gas
WITHDRAWN published on 28.8.2001
Selected format:Rubber and plastics hoses and tubing—Determination of transmission of liquids through hose and tubing walls
WITHDRAWN published on 28.8.2001
Selected format:Rubber and plastics hoses--Exposure to a xenon arc lamp--Determination of changes in colour andappearance
WITHDRAWN published on 28.8.2001
Selected format:Rubber hoses for steam—Test methods
WITHDRAWN published on 28.8.2001
Selected format:Rubber or plastics-coated fabrics—Low-temperature bend test
WITHDRAWN published on 28.8.2001
Selected format:Glass bulbs used for automatic fire extinguishing systems
WITHDRAWN published on 6.9.2001
Selected format:Hermetic scroll refrigerant compressors
WITHDRAWN published on 30.8.2001
Selected format:Latest update: 2024-05-03 (Number of items: 2 896 946)
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