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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
Technical parameters and measuring methods for FM broadcasting coder--Stereophonic
WITHDRAWN published on 21.1.1988
Selected format:Technical parameters and measuring methods for FM broadcasting coder--Supplementary channel
WITHDRAWN published on 21.1.1988
Selected format:Technical parameters and measuring methods for FM broadcasting coder--Two programs
WITHDRAWN published on 21.1.1988
Selected format:The sampling methods of the main products in the salt industry
WITHDRAWN published on 2.2.1988
Selected format:Sampling methods of the main products in the salt industry
WITHDRAWN published on 8.4.2001
Selected format:Method of the strength test for brazed and soldered seam
WITHDRAWN published on 1.2.1988
Selected format:Method for the determination of urease activity in soya bean products
WITHDRAWN published on 5.2.1988
Selected format:Classification on burning behaviors for building materials
WITHDRAWN published on 4.4.1997
Selected format:Classification for burning behavior of building materials and products
WITHDRAWN published on 19.6.2006
Selected format:Test method of difficult-flammability for building materials
WITHDRAWN published on 5.2.1988
Selected format:Latest update: 2024-12-22 (Number of items: 2 217 000)
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