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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
Method of the real-time RT-PCR for the detection of avian influenza virus
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCR for the detection of avian influenza Virus Subtype H5
WITHDRAWN published on 14.2.2004
Selected format:Method of real-time RT-PCR for the detection of the avian Influenza virus subtype H7
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCR for the detection the of avian Influenza virus subtype H9
WITHDRAWN published on 14.2.2004
Selected format:Protocol of detecting avian influenza virus subtype H5 using NASBA
WITHDRAWN published on 14.2.2004
Selected format:Light cargo hoisting rod
WITHDRAWN published on 15.5.1980
Selected format:Protocol of detecting avian influenza virus using NASBA
WITHDRAWN published on 14.2.2004
Selected format:Technique requirement for prevention and contorl of highly pathogenic avian influenza
WITHDRAWN published on 14.2.2004
Selected format:Insulators for overhead lines with a nominal voltage above 1 000 V—Ceramic or glass insulator units for d.c. systems—Definitions, test methods and acceptance criteria
WITHDRAWN published on 4.2.2004
Selected format:Oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction
WITHDRAWN published on 5.2.2004
Selected format:Latest update: 2026-09-25 (Number of items: 2 302 725)
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