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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
Phosphors for color picture tubes use--Phosphor Y22-B2
WITHDRAWN published on 27.11.1984
Selected format:Phosphors for color picture tubes use--Phosphor Y22-R4
WITHDRAWN published on 27.11.1984
Selected format:Method for float-and-sink analysis of coal
WITHDRAWN published on 1.1.1987
Selected format:Method for float and sink analysis of coal
WITHDRAWN published on 12.11.2001
Selected format:Terms for motor vehicle body
WITHDRAWN published on 10.6.2000
Selected format:Mechanical connection between towing vehicle and full trailers for interchangeability
WITHDRAWN published on 8.11.1984
Selected format:Road vehicles--Controls, indicators and tell-tales--Vocabulary
WITHDRAWN published on 1.1.1984
Selected format:Method of measurement for natural frequency and damping ratio--Automotive suspension system
WITHDRAWN published on 1.1.1984
Selected format:Method of measurement for natural frequency and damping ratio--Automotive suspension system
WITHDRAWN published on 8.11.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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