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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
Designed criterion of security and alarm engineering for cultural museums series
WITHDRAWN published on 23.10.1996
Selected format:Security alarm centre control stations
WITHDRAWN published on 23.10.1996
Selected format:Micrographics—Microfilming of documents on 16mm and 35mm Silver-gelatin type microfilm-operating procedures
WITHDRAWN published on 23.10.1996
Selected format:Tri-hydroxy polyether polyols
WITHDRAWN published on 25.10.1996
Selected format:Tetra-hydroxy polyether polyols
WITHDRAWN published on 25.10.1996
Selected format:Plastics—Film and sheeting—Determination of tear resistance—Trouser tear method
WITHDRAWN published on 25.10.1996
Selected format:D001 macroporous strongly acidic styrene type cation exchange resins
WITHDRAWN published on 25.10.1996
Selected format:Determination of ash of plasticizers
WITHDRAWN published on 28.12.1982
Selected format:D201 macroporous strongly basic styrene type anion exchange resins
WITHDRAWN published on 25.10.1996
Selected format:Determination of melting point of semi-crystalline polymers—Capillary tube method
WITHDRAWN published on 25.10.1996
Selected format:Latest update: 2024-04-28 (Number of items: 2 896 137)
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