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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
Specifications for synchronous digital hierarchy (SDH) multiplex equipment
WITHDRAWN published on 26.12.1996
Selected format:Classification and codes for computer hardware
WITHDRAWN published on 26.12.1996
Selected format:Continuous-flow grain dryer
WITHDRAWN published on 23.12.1996
Selected format:Seeds of gourd and vegetable—Melon crop
WITHDRAWN published on 28.12.1996
Selected format:Seeds of gourd and vegetable—Chinese cabbage group
WITHDRAWN published on 8.9.1999
Selected format:Seeds of gourd and vegetable—Solanaceous vegetables
WITHDRAWN published on 8.9.1999
Selected format:Seeds of gourd and vegetable—Cole vegetables
WITHDRAWN published on 8.9.1999
Selected format:Seeds of gourd and vegetable—Leaf vegetables
WITHDRAWN published on 8.9.1999
Selected format:General rules of packaging waste disposal and utilization
WITHDRAWN published on 3.10.1996
Selected format:Packaging and packaging waste—Part 1:General rules of disposal and utilization
WITHDRAWN published on 18.7.2008
Selected format:Latest update: 2025-11-11 (Number of items: 2 243 547)
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