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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 of flammability for building materials
WITHDRAWN published on 5.2.1988
Selected format:Test method for density of smoke from the burning or decomposition of building materials
WITHDRAWN published on 5.8.1999
Selected format:Textiles—Preparation,marking and measuring of fabric specimens and garments in tests for determination of dimensional change
WITHDRAWN published on 26.2.2001
Selected format:Textiles—Domestic washing and drying procedures for textile testing
WITHDRAWN published on 26.2.2001
Selected format:Determination of textile dimensional change in washing and drying
WITHDRAWN published on 3.2.1988
Selected format:Textiles—Determination of dimensional change in washing and drying
WITHDRAWN published on 16.10.2002
Selected format:Nickel base alloy powder—Determination of boron content—Alkalimetric method
WITHDRAWN published on 11.1.1988
Selected format:Nickel base alloy powder—Determination of melybdenum content—Thiocyanate spectrophotometric method
WITHDRAWN published on 11.1.1988
Selected format:Nickel base alloy powder—Determination of tungsten content—Cinchonine gravimetric method
WITHDRAWN published on 11.1.1988
Selected format:Nickel base alloy powder—Determination of phosphorus content—N-butyl alcohol-chloroform extraction spectrophotometric method
WITHDRAWN published on 11.1.1988
Selected format:Latest update: 2024-12-22 (Number of items: 2 217 000)
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