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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
Radiotherapy equipment—Coordinates, movements and scales
WITHDRAWN published on 5.3.2003
Selected format:Radionuclide imaging device—Characteristics and test conditions—Part 1:Positron emission tomograph
WITHDRAWN published on 5.3.2003
Selected format:Radionuclide imaging device—Characteristics and test conditions—Part 2:Single photon emission computed tomograph
WITHDRAWN published on 5.3.2003
Selected format:Radionuclide imaging device—Characteristics and test conditions—Part 3:Gamma camera based-whole body imaging systems
WITHDRAWN published on 5.3.2003
Selected format:Radionuclide imaging device—Characteristics and test conditions—Gamma cameras
WITHDRAWN published on 5.3.2003
Selected format:Luteinizing hormone(LH)test strip—Part 1:Ovulation test strip
WITHDRAWN published on 5.3.2003
Selected format:Luteinizing hormone(LH) test strip—Part 2:Sterility test strip
WITHDRAWN published on 5.3.2003
Selected format:Luteinizing hormone(LH) test strip Part 3:Contraceptive test strip
WITHDRAWN published on 5.3.2003
Selected format:Chlorinated poly(vinyl chloride) piping system for hot and cold water installations—Part 1:General
WITHDRAWN published on 5.3.2003
Selected format:Chlorinated poly(vinyl chloride) piping systems for hot and cold water installations—Part 2:Pipes
WITHDRAWN published on 5.3.2003
Selected format:Latest update: 2025-08-08 (Number of items: 2 211 863)
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